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经营范围
发明名称
Welding nozzle
摘要
申请公布号
US3038059(A)
申请公布日期
1962.06.05
申请号
US19600015686
申请日期
1960.03.17
申请人
A. O. SMITH CORPORATION
发明人
HINRICHS JOHN F.
分类号
B23K9/12
主分类号
B23K9/12
代理机构
代理人
主权项
地址
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