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发明名称
摘要
申请公布号	SU511442(A1)	申请公布日期	1976.04.25
申请号	SU19742043668	申请日期	1974.07.12
申请人		发明人
分类号	F16B2/20;(IPC1-7):F16B2/20;A23N13/00	主分类号	F16B2/20
代理机构		代理人
主权项
地址

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