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1.Preparation of solutions of polyhydroxymethylene-containing polymers 失效
Title translation: 含聚羟基亚甲基聚合物溶液的制备公开(公告)号:US3331800A
公开(公告)日:1967-07-18
申请号:US46935165
申请日:1965-07-02
Applicant: DYNAMIT NOBEL AG
Inventor: HANS SCHUBEL , HEINZ RATZ , GERHARD BIER
IPC: C08F8/34
CPC classification number: C08F8/34 , C08F8/12 , C08F134/02