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西文图书1.Index of patents issued from the United States Patent Office. D913.04/US/V.252-284
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The Office : 1921-1974.
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西文图书2.Index of patents issued from the United States Patent, 1968. Part I, List of patentees. G306.9/USP/(1968)/V.1, G306.9/USP/(19...
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U.S. Government printing office, 1969.
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西文图书3.Index of patents issued from the United States Patent, 1969. Part II, Index to subjects of inven... N18-7/USP/(1969)/V.2
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U.S. Government printing office, 1970.
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西文图书4.Index of patents. 1968 part I, list of patentees. v.1, A-L / Z89/IP/(1968)/V.1
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s.n.], 1969.
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西文图书5.Index of patents. 1969 part I, list of patentees. v.1 , A-L / Z89/IP/(1969)/V.1
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s.n.], 1969.
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西文图书6.Index of patents. part 1 / K835.61/GUS/V.1
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,Pergamon, 1962.
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西文图书7.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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西文图书8.Index of patents issued from the United States Patent, 1966. Part II, Index to subjects of invent... N18-7/IPI/(1966), N18-7/USP/(1966)/V.2
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U.S.Government printing office, 1967.
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西文图书9.Index of patents issued from the United States Patent, 1965. Part I, List of patentees. N18-7/USP/(1965)/V.1
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U.S. Government printing office, 1966.
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西文图书10.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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