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发明名称
Wendelrohr aus wendelfoermig gewickeltem bandfoermigem Material
摘要
申请公布号
DE1650135(A1)
申请公布日期
1970.08.06
申请号
DE19671650135
申请日期
1967.12.18
申请人
OHLER FLEXROHR GMBH
发明人
分类号
B21C37/12;B31C3/00;B31C3/04;F16L9/16;F16L11/16
主分类号
B21C37/12
代理机构
代理人
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