OPTICAL PATH CHANGEOVER SWITCH,申请号JP19820016859U-传众专利搜索

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发明名称	OPTICAL PATH CHANGEOVER SWITCH
摘要
申请公布号	JPS58120204(U)	申请公布日期	1983.08.16
申请号	JP19820016859U	申请日期	1982.02.09
申请人		发明人
分类号	E04F15/08;E01C5/06;E01C5/08;E01C13/00;E01C13/04;E01C15/00;(IPC1-7):E01C5/08	主分类号	E04F15/08
代理机构		代理人
主权项
地址

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