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发明名称
摘要
申请公布号	GB1226483(A)	申请公布日期	1971.03.31
申请号	GBD1226483	申请日期	1969.10.29
申请人		发明人
分类号	B04B9/08;F16D57/00;F16D63/00	主分类号	B04B9/08
代理机构		代理人
主权项
地址

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