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公开(公告)号：US3044444A
公开(公告)日：1962-07-17
申请号：US9781061
申请日：1961-03-23
Applicant: DAVID ROSENTHAL
Inventor： DAVID ROSENTHAL
IPC: A01K31/16
CPC classification number: A01K31/16
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公开(公告)号：US2098634A
公开(公告)日：1937-11-09
申请号：US1591735
申请日：1935-04-11
Applicant: DAVID ROSENTHAL
Inventor： DAVID ROSENTHAL
IPC: E05D13/00
CPC classification number: E05D13/14 , Y10T16/635 , Y10T16/698
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