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经营范围
发明名称
POSITIVE TYPE LIGHT VALVE
摘要
申请公布号
JPS58106590(A)
申请公布日期
1983.06.24
申请号
JP19810206562
申请日期
1981.12.21
申请人
NIPPON DENKI KK
发明人
KUBOTA KEIICHI
分类号
G02B5/18;G02B27/42;G02B27/46;G02F1/13;G02F1/133;G02F1/1335;G02F1/135;G09F9/00;G09F9/35
主分类号
G02B5/18
代理机构
代理人
主权项
地址
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