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公开(公告)号：US2079311A
公开(公告)日：1937-05-04
申请号：US4961535
申请日：1935-11-13
Applicant: LEO BLUMENTHAL
Inventor： LEO BLUMENTHAL
IPC: A61H7/00
CPC classification number: A61H7/001 , A61H2201/1284 , A61H2205/12
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