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经营范围
发明名称
摘要
申请公布号
JPS4123696(Y1)
申请公布日期
1966.12.02
申请号
JP19650078739U
申请日期
1965.09.27
申请人
发明人
分类号
H01J31/00;(IPC1-7):H01J31/00
主分类号
H01J31/00
代理机构
代理人
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