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发明名称
ELECTRON BEAM WELDING METHOD AND DEVICE THEREOF
摘要
申请公布号
JPS55109585(A)
申请公布日期
1980.08.23
申请号
JP19790016211
申请日期
1979.02.16
申请人
DENGENSHA MFG CO LTD
发明人
MIHIRA SHIYOUJI
分类号
H01J37/315;B23K15/00
主分类号
H01J37/315
代理机构
代理人
主权项
地址
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