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发明名称
METHOD AND APPARATUS FOR MAKING DOWNPIPES
摘要
申请公布号
EP0318905(A3)
申请公布日期
1990.09.19
申请号
EP19880119856
申请日期
1988.11.29
申请人
RHEINZINK GMBH
发明人
EMMRICH, PETER;MARX, HANS
分类号
B21C37/10;(IPC1-7):B21C37/10
主分类号
B21C37/10
代理机构
代理人
主权项
地址
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