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公开(公告)号：US1379966A
公开(公告)日：1921-05-31
申请号：US36662020
申请日：1920-03-17
Applicant: NEWTON D BAKER
Inventor： COOK CLARENCE A
IPC: A43C9/04
CPC classification number: A43C9/04 , Y10T29/49929
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