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公开(公告)号：US3484214A
公开(公告)日：1969-12-16
申请号：US3484214D
申请日：1965-11-01
Applicant: INVENTA AG
Inventor： GEHRING ALBERT , SCHNELLER HEINZ , FUEG HEINZ , HABERTHUR KURT , MATSUYA KOICHI
CPC classification number: C01B21/1418 , B01J8/22 , B01J2219/0025
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