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1.Method for the preparation of ternary copolyamides and mixed polyamides 失效
Title translation: 制备三元共聚酰胺和混合聚酰胺的方法公开(公告)号:US3536780A
公开(公告)日:1970-10-27
申请号:US3536780D
申请日:1968-06-06
Applicant: INVENTA AG
Inventor: SCHAAF SIEGFRIED , GAUT PETER SYDNEY