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经营范围
发明名称
Electrical apparatus
摘要
申请公布号
US2279303(A)
申请公布日期
1942.04.14
申请号
US19390285465
申请日期
1939.07.19
申请人
RAYTHEON MANUFACTURING COMPANY
发明人
CROUT PRESCOTT D.
分类号
B23K9/10
主分类号
B23K9/10
代理机构
代理人
主权项
地址
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