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发明名称
PROCEDE POUR FORMER UNE GORGE CIRCULAIRE A L'INTERIEUR DE L'EXTREMITE D'UN TUYAU EN MATIERE THERMOPLASTIQUE
摘要
申请公布号
FR2303654(A1)
申请公布日期
1976.10.08
申请号
FR19760007218
申请日期
1976.03.12
申请人
SEKISUI KAGAKU KOGYO KK
发明人
分类号
B29C57/04;B29C57/08;(IPC1-7):29C17/02;16L17/02
主分类号
B29C57/04
代理机构
代理人
主权项
地址
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