Subject-matter index of patents for inventions (brevets d'invention) granted in France from 1791 to 1876 inclusive by United States. Patent Office Free Download. Read online books at OnRead.com

Subject-matter index of patents for inventions (brevets d'invention) granted in France from 1791 to 1876 inclusive

"In the publication of French patents, three systems have been followed, comprising ... the three series of volumes of 'Description des machines et procédés, etc.'"--Explanations

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Author:

United States. Patent Office

Series:

Unknown

ASIN:

B007NYLNOI

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English

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