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公开(公告)号：IN142770B
公开(公告)日：1977-08-27
申请号：IN354CA1975
申请日：1975-02-25
Applicant: MITSUI TOATSU CHEMICALS
Inventor： OKUBO ICHIRO , TAKAHASHI S , IWAMURA A , MURAKAMI H
IPC: C07C49/66
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