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公开(公告)号：US1412486A
公开(公告)日：1922-04-11
申请号：US41494920
申请日：1920-10-06
Applicant: WASHINGTON PAINE GEORGE
Inventor： WASHINGTON PAINE GEORGE
IPC: A43C1/00
CPC classification number: A43C1/00 , Y10T24/3734 , Y10T24/3737 , Y10T24/3739 , Y10T24/3742
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