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公开(公告)号:US3295925A
公开(公告)日:1967-01-03
申请号:US29360963
申请日:1963-07-09
Applicant: INVENTA AG
Inventor: HEINZ FUEG , KOICHI MATSUYA
IPC: C01B21/14
CPC classification number: C01B21/1418
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公开(公告)号:US3350456A
公开(公告)日:1967-10-31
申请号:US34414364
申请日:1964-02-11
Applicant: INVENTA AG
Inventor: HEINZ FUEG
CPC classification number: B01J21/00 , C07C45/002 , C07C49/403
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