Cycles in patents
Year of publication: |
1969
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Authors: | Shirk, Gertrude |
Published in: |
Cycles : official bulletin of the Foundation for the Study of Cycles. - Pittsburgh, Pa. : [Verlag nicht ermittelbar], ISSN 0011-4294, ZDB-ID 862346-6. - Vol. 20.1969, 1, p. 9-14
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Subject: | Erfindungsschutz | Vereinigte Staaten |
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