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发明名称
VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG VON ROHREN
摘要
申请公布号
DE3309244(A1)
申请公布日期
1983.10.06
申请号
DE19833309244
申请日期
1983.03.15
申请人
SUMITOMO METAL INDUSTRIES,LTD.
发明人
IKEHATA,SHIGEKI;SHUDOH,KUNIHARU;AOYAGI,KAZUYA
分类号
B21C1/24;B21C1/26;B21C9/00;(IPC1-7):B21J5/10;B21J3/00
主分类号
B21C1/24
代理机构
代理人
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地址
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