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法人/股东/高管

发明名称
摘要
申请公布号	JPS532561(B2)	申请公布日期	1978.01.30
申请号	JP19720122004	申请日期	1972.12.07
申请人		发明人
分类号	H04H20/89;H04S3/02	主分类号	H04H20/89
代理机构		代理人
主权项
地址

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