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发明名称
VERFAHREN UND MASCHINE ZUR HERSTELLUNG VON LANGEN BETONBOHRERN MIT SCHRAUBENFOERMIGEN LAENGSNUTEN AUF EINEM TEIL IHRER LAENGE
摘要
申请公布号
DE2818626(A1)
申请公布日期
1978.11.02
申请号
DE19782818626
申请日期
1978.04.25
申请人
CENTRE TECHNIQUE DES INDUSTRIES MECANIQUES
发明人
BOURNICON,CLAUDE;MANSION,JAMES
分类号
B21C37/15;B21D3/12;B21D11/14;B23P15/32;C21D7/13;E21B10/44;(IPC1-7):B21K5/04
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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