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发明名称
CHARGED BEAM OPTICAL LENS-BARREL
摘要
申请公布号
JPH04101341(A)
申请公布日期
1992.04.02
申请号
JP19900217061
申请日期
1990.08.20
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
SHIMAZU NOBUO
分类号
H01J37/147;H01J37/18
主分类号
H01J37/147
代理机构
代理人
主权项
地址
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