Entstehung und Bedeutung des schweizerischen Patentwesens.
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| OCLC: | 34553901 |
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| 主要作者: | |
| 企业作者: | |
| 语言: | German |
| 出版: |
Bern,
Akad. Buchhandl. P. Haupt,
1923.
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| 格式: | Thesis Monograph Note that CRL will digitize material from the collection when copyright allows. |
| 实物描述: | XII-80 p. 8vo. |
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| Place of Publication: | Switzerland. |