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法人/股东/高管

发明名称
摘要
申请公布号	JPS54162135(U)	申请公布日期	1979.11.13
申请号	JP19780059588U	申请日期	1978.05.04
申请人		发明人
分类号	E21D21/00;E21D20/00;E21D20/02;(IPC1-7):E21D21/00	主分类号	E21D21/00
代理机构		代理人
主权项
地址

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