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经营范围
发明名称
Serpentin perfectionné et appareil et procédé de fabrication
摘要
申请公布号
FR1292875(A)
申请公布日期
1962.05.04
申请号
FR19610866079
申请日期
1961.06.26
申请人
BUNDY TUBING COMPANY
发明人
分类号
B21D11/06
主分类号
B21D11/06
代理机构
代理人
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