-
公开(公告)号：US2753344A
公开(公告)日：1956-07-03
申请号：US41990854
申请日：1954-03-30
Applicant: BAYER AG
Inventor： KARL SCHMIDT , WERNER MULLER , ROLF PUTTER , FRITZ SUCKFULL , GERHARD DITTMAR
IPC: C09B55/00
CPC classification number: C09B55/00
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
