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公开(公告)号：IT7823497D0
公开(公告)日：1978-05-17
申请号：IT2349778
申请日：1978-05-17
Applicant: MONTEDISON SPA
Inventor： MARCELLO PIERONI , ANGELO VECCHIO , GIAMPIERO BORSOTTI , CAMILLO PAFFONI
IPC: C09B20060101 , C09B
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