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发明名称
METHOD AND APPARATUS FOR PRODUCING THIN-WALLED SEAMLESS ANGLE PIPES OF OPTIONAL RADIUS,ARC ANGLE AND TUBE DIAMETER BY COLD EXTRUSION PRESSING FROM THICK-WALLED STARTING TUBE NAMELY WITH OR WITHOUT CYLINDRICAL PART CONNECTING WITH ANGLE PIPE
摘要
申请公布号
HU178179(B)
申请公布日期
1982.03.28
申请号
HU1979BA03865
申请日期
1979.10.09
申请人
BLASER,HEINZ,CH
发明人
BLASER,HEINZ,CH
分类号
B21C37/28;B21D22/16;(IPC1-7):B21D22/16
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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