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公开(公告)号:CH376923A
公开(公告)日:1964-04-30
申请号:CH6535958
申请日:1958-10-23
Applicant: STAMICARBON
Inventor: WILHELMUS PETRUS BOON JOHANNES
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公开(公告)号:CH368145A
公开(公告)日:1963-03-31
申请号:CH5156557
申请日:1957-10-14
Applicant: STAMICARBON
Inventor: WILHELMUS PETRUS BOON JOHANNES
IPC: B01J25/04
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