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经营范围
发明名称
SECONDARY ELECTRON SENSOR
摘要
申请公布号
JPH01130459(A)
申请公布日期
1989.05.23
申请号
JP19870289082
申请日期
1987.11.16
申请人
NICHIDENSHI TEKUNIKUSU:KK
发明人
MORIWAKI HIRONOBU;UNO MASASHI
分类号
H01J37/20;H01J37/244
主分类号
H01J37/20
代理机构
代理人
主权项
地址
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