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公开(公告)号：US1345790A
公开(公告)日：1920-07-06
申请号：US38034020
申请日：1920-05-10
Applicant: LODGE FUME COMPANY LTD
Inventor： LIONEL LODGE
CPC classification number: B03C3/36 , B03C3/41 , B03C3/51 , B03C2201/10
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