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公开(公告)号：US1350569A
公开(公告)日：1920-08-24
申请号：US39378220
申请日：1920-07-03
Applicant: SAMUEL SAMPSON
Inventor： SAMUEL SAMPSON
IPC: A41B3/08
CPC classification number: A41B3/08 , Y10T24/44641
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