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经营范围
发明名称
Fuselage welder
摘要
申请公布号
US1989266(A)
申请公布日期
1935.01.29
申请号
US19330685735
申请日期
1933.08.18
申请人
THE NORTHROP CORPORATION
发明人
BURNS BRUCE
分类号
B23K11/00
主分类号
B23K11/00
代理机构
代理人
主权项
地址
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