,申请号JP19730031812U-传众专利搜索

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发明名称
摘要
申请公布号	JPS531956(Y1)	申请公布日期	1978.01.19
申请号	JP19730031812U	申请日期	1973.03.16
申请人		发明人
分类号	G02B27/02;G02B27/00;G03B5/00;G03B23/00;(IPC1-7):G03B23/00	主分类号	G02B27/02
代理机构		代理人
主权项
地址

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