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公开(公告)号：US3020646A
公开(公告)日：1962-02-13
申请号：US78125358
申请日：1958-12-18
Applicant: BAYER AG
Inventor： WERNER JOSEPH , GUSTAV KAULE , ERNST PODSCHUS
IPC: F26B17/10
CPC classification number: F26B17/107 , F26B3/10
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