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公开(公告)号：US2971453A
公开(公告)日：1961-02-14
申请号：US65247857
申请日：1957-04-12
Applicant: SANITARY MFG COMPANY OF PITTSB
Inventor： KINTNER EDWIN K
IPC: A01J11/04
CPC classification number: A01J11/04
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