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发明名称
Method of bending unfilled pipes and tubes
摘要
申请公布号
US3207834(A)
申请公布日期
1965.09.21
申请号
US19620232334
申请日期
1962.10.16
申请人
JEAN WALTERSCHEID KG.
发明人
GEISTHOFF HUBERT
分类号
B21D7/02;B21D11/06;B29C53/08
主分类号
B21D7/02
代理机构
代理人
主权项
地址
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