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发明名称
LOW VACUUM TYPE ELECTRON BEAM WELDER
摘要
申请公布号
JPS5265102(A)
申请公布日期
1977.05.30
申请号
JP19750140916
申请日期
1975.11.25
申请人
DENGENSHIYA SEISAKUSHIYO KK
发明人
TASHIRO KAIO
分类号
H01J37/315;B23K15/06;E21B7/08
主分类号
H01J37/315
代理机构
代理人
主权项
地址
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