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公开(公告)号：DD281733A7
公开(公告)日：1990-08-22
申请号：DD30829387
申请日：1987-10-27
Applicant: FOTOCHEM WERKE BERLIN VEB
Inventor： BURCZYK LEONHARD , WELZEL HELMUT , SCHUETZE KLAUS , NEICHSNER WOLFGANG , BOLLENBACH GUENTER , BIELER JUERGEN
IPC: G03C1/06
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