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经营范围
发明名称
OPTICAL SWITCH
摘要
申请公布号
JPS59176702(U)
申请公布日期
1984.11.26
申请号
JP19830072350U
申请日期
1983.05.13
申请人
发明人
分类号
B23B3/16;B23B7/04;(IPC1-7):B23B7/04
主分类号
B23B3/16
代理机构
代理人
主权项
地址
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