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检索到 2 条 题名=Index of patents issued from the United States Patent, 1967. 的结果    

 


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  1. 西文图书1.Index of patents issued from the United States Patent, 1967. Part I, List of patentees. N18-7/IPI/(1967), N18-7/USP/(1967)/V.1

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    U.S.Government printing office, 1968.
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  2. 西文图书2.Index of patents issued from the United States Patent, 1967. Part II, Index to subjects of inventio N18-7/USP/(1967)/V.2

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    U.S.Government printing office, 1968.
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