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公开(公告)号：US1784401A
公开(公告)日：1930-12-09
申请号：US21664927
申请日：1927-08-31
Applicant: WINCHESTER AMERICAN CORP OF NE
Inventor： RAM WAGEL SRINIVAS
IPC: D06F1/08
CPC classification number: D06F1/08
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