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公开(公告)号：US1331202A
公开(公告)日：1920-02-17
申请号：US31122519
申请日：1919-07-16
Applicant: KITCHEN ERNEST B , PRICE JAMES D
Inventor： KITCHEN ERNEST B , PRICE JAMES D
IPC: B63B39/02
CPC classification number: B63B39/02
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