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1.
Distribution of patents issued to cooperations : 1939 - 1955 Series: Study of the subcommittee on patents, trademarks, and copyrights of the committee on the judiciary, United States Senate ; 3Publisher: Washington: Gov. Print. Off., 1957
Availability: Items available for loan: Das Österreichische Patentamt (1)Location, call number: 12253 3.
2.
The Patent System and the modern economy Series: Study of the subcommittee on patents, trademarks, and copyrights of the committee on the judiciary, United States Senate ; 2Publisher: Washington: Gov. Print. Off., 1957
Availability: Items available for loan: Das Österreichische Patentamt (1)Location, call number: 12253 2.
3.
Proposals for improving the patent system Series: Study of the subcommittee on patents, trademarks, and copyrights of the committee on the judiciary, United States Senate ; 1Publisher: Washington: Gov. Print. Off., 1956
Availability: Items available for loan: Das Österreichische Patentamt (1)Location, call number: 12253 1.
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