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公开(公告)号：US1573297A
公开(公告)日：1926-02-16
申请号：US34135919
申请日：1919-11-29
Applicant: EASTERN MFG COMPANY
Inventor： BRINER EMIL A , GUILD HENRY J
IPC: D21F5/00
CPC classification number: D21F5/00
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