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经营范围
发明名称
Circumferential pipe cutting or welding machine
摘要
申请公布号
US2050146(A)
申请公布日期
1936.08.04
申请号
US19330692972
申请日期
1933.10.10
申请人
AIR REDUCTION COMPANY, INCORPORATED
发明人
ANDERSON JAMES L.
分类号
B23K7/00
主分类号
B23K7/00
代理机构
代理人
主权项
地址
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