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发明名称
Welding method
摘要
申请公布号
US3132238(A)
申请公布日期
1964.05.05
申请号
US19580763509
申请日期
1958.09.26
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
JR. HAROLD I. WILEY,;SHAPPELL STANLEY C.
分类号
H01J9/34
主分类号
H01J9/34
代理机构
代理人
主权项
地址
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