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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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2.
公开(公告)号:US2079772A
公开(公告)日:1937-05-11
申请号:US67819133
申请日:1933-06-29
Applicant: STANCO INC
Inventor: REUBEN SCHULER
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公开(公告)号:US2022256A
公开(公告)日:1935-11-26
申请号:US70060933
申请日:1933-12-01
Applicant: STANCO INC
Inventor: REUBEN SCHULER
IPC: C07C37/70
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