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经营范围
发明名称
MODE CONVERSION SWITCH
摘要
申请公布号
JPH0695048(A)
申请公布日期
1994.04.08
申请号
JP19920243441
申请日期
1992.09.11
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
ITO HIROKI;ISHIBASHI SHIGEO;YOKOO ATSUSHI;SAKAI YOSHIHISA
分类号
G02B6/42;G02F1/035;(IPC1-7):G02F1/035
主分类号
G02B6/42
代理机构
代理人
主权项
地址
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