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公开(公告)号：US1661445A
公开(公告)日：1928-03-06
申请号：US14515026
申请日：1926-10-30
Applicant: VINCENT PAYNE ERLE
Inventor： VINCENT PAYNE ERLE
IPC: D06F33/08
CPC classification number: D06F33/08 , Y10T137/7361 , Y10T137/7365 , Y10T137/742
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