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发明名称
OPTICAL SWITCH
摘要
申请公布号
JPS60126630(U)
申请公布日期
1985.08.26
申请号
JP19840014457U
申请日期
1984.02.03
申请人
发明人
分类号
E04F11/18;(IPC1-7):E04F11/18
主分类号
E04F11/18
代理机构
代理人
主权项
地址
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