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公开(公告)号:US3297762A
公开(公告)日:1967-01-10
申请号:US30731663
申请日:1963-09-09
Applicant: BASF AG
Inventor: ERICH HAARER , REINHOLD PLASS
公开(公告)号:US3297762A
公开(公告)日:1967-01-10
申请号:US30731663
申请日:1963-09-09
Applicant: BASF AG
Inventor: ERICH HAARER , REINHOLD PLASS