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公开(公告)号：US3416886A
公开(公告)日：1968-12-17
申请号：US54576266
申请日：1966-04-27
Applicant: INVENTA AG
Inventor： MARCEL CAPAUL , KOICHI MATSUYA , MAX EDINGER
IPC: C01B21/082 , C01B21/092 , C01B21/14
CPC classification number: C01B21/1418 , C01B21/082 , C01B21/0926
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