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公开(公告)号:US2955963A
公开(公告)日:1960-10-11
申请号:US76751658
申请日:1958-10-16
Applicant: INVENTA AG
Inventor: MARCO ITIN , JOHANN GIESEN , FRITZ CONRADIN
IPC: C13B20/00
CPC classification number: C13B20/005
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公开(公告)号:US2943003A
公开(公告)日:1960-06-28
申请号:US71783558
申请日:1958-02-27
Applicant: INVENTA AG
Inventor: MARCO ITIN , FRITZ CONRADIN , JOHANN GIESEN
IPC: C13B20/14
CPC classification number: C13B20/148
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