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公开(公告)号：US2228407A
公开(公告)日：1941-01-14
申请号：US13483937
申请日：1937-04-03
Applicant: STANCO INC
Inventor： REUBEN SCHULER , ARCHIBALD FRANCIS M
IPC: A01N61/02
CPC classification number: A01N61/02
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