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经营范围
发明名称
Apparatus for burning holes in metal
摘要
申请公布号
US2427588(A)
申请公布日期
1947.09.16
申请号
US19420462402
申请日期
1942.10.17
申请人
UNITED AIRCRAFT CORPORATION
发明人
BURNETT HENRY J.
分类号
B23K9/013
主分类号
B23K9/013
代理机构
代理人
主权项
地址
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