Предлагаемые темы внутри своего поиска.
Предлагаемые темы внутри своего поиска.
12
Mining engineering
6
Engineering
6
Geology
5
Mechanical engineering
4
Electrical engineering
2
Building
2
Hydraulic engineering
2
Metallurgy
2
Mines and mineral resources
1
Agricultural machinery
1
Automatic control
1
Chemical engineering
1
Congresses
1
Drainage
1
Heat engineering
1
Machinery
1
Physics
1
Prospecting
1
Reclamation of land
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1Опубликовано 1970Sofi︠i︡a : Dŭrzhavno izd-vo "Tekhnika", 1970-1989.20 v. : ill. ; 22 cm.Предметы: “...Mechanical engineering Congresses....”
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2Опубликовано 1967Sofi︠i︡a : Dŭrzhavno izd-vo Tekhnika, 1967-1970.4 v. : ill. ; 22 cm.Предметы: “...Mechanical engineering Periodicals....”
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3Опубликовано 1969Sofi︠i︡a : Dŭrzhavno izd-vo "Tekhnika", 1969-1970.1 v. ; 23 cm.Предметы: “...Mechanical engineering Periodicals....”
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4Опубликовано 1954Sofi︠i︡a : Dŭrzhavno izd-vo Nauka i izkustvo, 1954-1966.18 v. : ill. ; 22 cm.Предметы: “...Mechanical engineering Periodicals....”
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5
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6
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7Опубликовано 1966Sofi︠i︡a : Dŭrzh. izd-vo "Tekhnika", 1966-v. : ill. ; 23 cm.Предметы: “...Chemical engineering....”
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8Опубликовано 1967Sofi︠i︡a : Dŭrzhavno izdatelstvo "Tekhnika", 1967-1973.7 v. : ill. ; 22 cm.Предметы: “...Engineering Periodicals....”
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9Опубликовано 1965Sofi︠i︡a : Dŭrzhavno izdatelstvo "Tekhnika", 1965.1 v. : ill. ; 23 cm.Предметы: “...Engineering Periodicals....”
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10Опубликовано 1976Sofi︠i︡a : "Tekhnika", 1976-1978.2 v. : ill. ; 22 cm.Предметы: “...Engineering....”
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11Опубликовано 1954Sofi︠i︡a : "Nauka i izkustvo", 1954-1964.11 v. : ill. ; 23 cm.Предметы: “...Engineering Periodicals....”
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12Sofi︠i︡a : Dŭrzh. Izd-vo Tekhnika,v. : ill. ; 23 cm.Предметы: “...Engineering....”
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13Sofi︠i︡a : [s.n.],v. : ill. ; 28 cm.Предметы: “...Mining engineering Periodicals....”
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14Izvestii︠a︡ na Instituta po vodni problemiИзвестия на Института по водни проблемиОпубликовано 1963Sofii︠a︡: Izdatelstvo na Bŭlgarska akademii︠a︡ na naukite, 1963-Предметы: “...Hydraulic engineering Periodicals....”
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15Опубликовано 1981Sofi︠i︡a : Institut, 1981-1994.11 v. : ill. ; 22 cm.Предметы: “...Engineering Periodicals....”
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16Опубликовано 1966Sofi︠i︡a : Dŭrzhavno izd-vo "Tekhnika", 1966-v. : ill. ; 22 cm.Предметы: “...Mining engineering Periodicals....”
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17Опубликовано 1981Sofi︠i︡a : Vissh minno-geolozhki in-t, 1981.4 v. : ill. ; 20 cm.Предметы: “...Mining engineering Congresses....”
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18Sofi︠i︡a : University,v. : ill. ; 22 cm.Предметы: “...Mining engineering Periodicals....”
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19Опубликовано 1978Sofi︠i︡a : Vissh minno-geolozhki in-t--Sofi︠i︡a, 1978.4 v. : ill. ; 22 cm.Предметы: “...Mining engineering Congresses....”
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20Опубликовано 1954Sofi︠i︡a : Dŭrzhavno izd. "Nauka i izkustvo", 1954-1965.10 v. : ill. ; 22-23 cm.Предметы: “...Mining engineering Periodicals....”