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公开(公告)号：US2630128A
公开(公告)日：1953-03-03
申请号：US14499450
申请日：1950-02-18
Applicant: SLATER RAYMOND W
Inventor： SLATER RAYMOND W
CPC classification number: A61H3/02 , A61H2201/0188 , Y10T403/32459 , Y10T403/598 , Y10T403/599
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