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公开(公告)号：US3186505A
公开(公告)日：1965-06-01
申请号：US22429962
申请日：1962-09-18
Applicant: BAYER AG
Inventor： BERNHARD VINZELBERG , WALTER HAUPT
CPC classification number: G01G7/04 , F16C32/06 , G01G7/02 , Y10S177/05 , Y10S177/09
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