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经营范围
发明名称
OPTICAL PUSHBUTTON SWITCH
摘要
申请公布号
JPS59191220(A)
申请公布日期
1984.10.30
申请号
JP19830064582
申请日期
1983.04.14
申请人
ALPS DENKI KK
发明人
CHIYOU YOUKAI
分类号
H03K17/969;H01H13/00;H03K17/965
主分类号
H03K17/969
代理机构
代理人
主权项
地址
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