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经营范围
发明名称
TIG ARC WELDING OF FINS TO TUBES
摘要
申请公布号
CA834914(A)
申请公布日期
1970.02.17
申请号
CAD834914
申请日期
申请人
SOCIETE DES FABRICATIONS BIRAGHI-ENTREPOSE
发明人
EDMOND PIGNAL
分类号
主分类号
代理机构
代理人
主权项
地址
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