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公开(公告)号：US1342930A
公开(公告)日：1920-06-08
申请号：US24793818
申请日：1918-08-02
Applicant: JAMES STURM
Inventor： JAMES STURM
IPC: A41F3/04
CPC classification number: A41F3/045 , Y10T24/3416
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