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Subject-matter Index of Specifications of Patents Numbered as of A.D. 1909
Language: en
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Authors: Great Britain. Patent Office
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Type: BOOK - Published: 1911 - Publisher:

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Subject-Matter Index of Specifications of Patents
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Type: BOOK - Published: 1914 - Publisher:

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Subject-matter Index of Specifications of Patents Numbered as of A.D. 1910
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Subject-matter Index of Patents for Inventions (brevets D'invention) Granted in France from 1791 to 1876 Inclusive
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Subject-matter Index of Specifications of Patents Dated ...
Language: en
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