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发明名称
摘要
申请公布号	LU56544(A1)	申请公布日期	1969.05.21
申请号	LUD56544	申请日期	1968.07.19
申请人		发明人
分类号	B29D22/02;B60C9/00;B60C9/02;E21D11/15;E21D15/44;E21D15/48;E21D19/04;E21D23/00	主分类号	B29D22/02
代理机构		代理人
主权项
地址

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