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公开(公告)号:US2430031A
公开(公告)日:1947-11-04
申请号:US54225544
申请日:1944-06-26
Applicant: SOL SHAPPIRIO
Inventor: SOL SHAPPIRIO
IPC: C07C243/34 , C11B5/00
CPC classification number: C11B5/0042 , C07C243/34
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公开(公告)号:US2272134A
公开(公告)日:1942-02-03
申请号:US32384040
申请日:1940-03-13
Applicant: SOL SHAPPIRIO
Inventor: SOL SHAPPIRIO
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