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Patents for inventions: abridgments of specifications 40001-50000
Published 1962Subjects: “…Patents for inventions,…”
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Patent office hand book
Published 1959Subjects: “…Patent laws and legislation-Handbooks, manuals, etc.…”
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Patent office hand book
Published 1955Subjects: “…Patent laws and legislation-Handbooks, manuals, etc.…”
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9
The law strategy of biotechnology patents
Published 1994Subjects: “…Biotechnology - Patents - U.S.…”
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Abstracts of patents relating to rubber latex : a supplement to Rubber Latex
Published 1941Subjects:Book -
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Review of United States patents relating to pest control
Published 1939Subjects: “…Patents-United States-Periodicals…”
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