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发明名称
摘要
申请公布号	JPS57193468(U)	申请公布日期	1982.12.08
申请号	JP19810080689U	申请日期	1981.06.01
申请人		发明人
分类号	F16K31/06;F16K3/32;(IPC1-7):F16K31/06	主分类号	F16K31/06
代理机构		代理人
主权项
地址

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