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发明名称
Method of welding
摘要
申请公布号
US2303933(A)
申请公布日期
1942.12.01
申请号
US19420429636
申请日期
1942.02.05
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
HALE DOUGLAS A. S.
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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