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发明名称
MASS SPECTROGRAPH FOR SECONDARY ION
摘要
申请公布号
JPS6445048(A)
申请公布日期
1989.02.17
申请号
JP19870201934
申请日期
1987.08.14
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
HONMA YOSHIKAZU;ISHII YOSHIICHI
分类号
H01J49/26;H01J49/06
主分类号
H01J49/26
代理机构
代理人
主权项
地址
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