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公开(公告)号:US2718518A
公开(公告)日:1955-09-20
申请号:US28146152
申请日:1952-04-09
Applicant: BAYER AG
Inventor: FRITZ SUCKFULL , PAUL ZERVAS
IPC: C09B31/22
CPC classification number: C09B31/22
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公开(公告)号:US2721191A
公开(公告)日:1955-10-18
申请号:US28146252
申请日:1952-04-09
Applicant: BAYER AG
Inventor: FRITZ SUCKFULL , PAUL ZERVAS
IPC: C09B31/22
CPC classification number: C09B31/22
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