Extension objective et territoriale des brevets d'invention : Brevets de perfectionnement : Certificats d'addition : Seconds brevets
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| OCLC: | 65162579 |
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| Language: | French |
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Montpellier :
Imprimerie coopérative ouvrière,
1910.
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| Format: | Thesis Monograph Note that CRL will digitize material from the collection when copyright allows. |