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公开(公告)号：CH528550A
公开(公告)日：1972-09-30
申请号：CH1948969
申请日：1969-12-30
Applicant: STAMICARBON
IPC: C08F22/04 , C08F220/44 , C08F15/00 , C08F19/00 , D01F7/02
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