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公开(公告)号：US1970991A
公开(公告)日：1934-08-21
申请号：US64963832
申请日：1932-12-30
Applicant: WATKINS MORRIS W
Inventor： WATKINS MORRIS W
IPC: A22C9/00
CPC classification number: A22C9/004
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2.发明授权Housing for electric meat block scraping brush having split handle motor circuit closing means 失效具有分体式电动马达电路关闭装置的电动肉块刮刷的外壳
公开(公告)号：US2552471A
公开(公告)日：1951-05-08
申请号：US4005248
申请日：1948-07-22
Applicant: WATKINS MORRIS W
Inventor： WATKINS MORRIS W
IPC: B27G17/04
CPC classification number: B27G17/04
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公开(公告)号：US2517266A
公开(公告)日：1950-08-01
申请号：US59580945
申请日：1945-05-25
Applicant: WATKINS MORRIS W
Inventor： WATKINS MORRIS W
CPC classification number: B67B7/26
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