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公开(公告)号：DE1928636A1
公开(公告)日：1971-01-07
申请号：DE1928636
申请日：1969-06-06
Applicant: BASF AG
Inventor： BELDE HORST , EWALD DAUBACH DR , WORF GUENTHER , DIMITER BAYEW DR , ENNO LUEBCKE DR
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