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公开(公告)号：US1399143A
公开(公告)日：1921-12-06
申请号：US41473920
申请日：1920-10-05
Applicant: FRANK A CHAMPLIN
Inventor： MORIARTY DANIEL F
IPC: F21V11/00
CPC classification number: F21V11/00 , F21S41/43 , F21W2107/10
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