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International classification of patents for invention under the European Convention of 19th December, 1954. Vol.1: Sections A-B
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International classification of patents for invention under the European Convention of 19th December, 1954. Vol.1: Sections A-B

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[400]p. on publication.

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International classification of patents for invention under the European Convention of 19th December, 1954. Vol.1: Sections A-B. Published by Morgan-Grampian Books Ltd (Kent) in 1968. Publication and catalogue information, links to buy online and reader comments.

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