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发明名称
摘要
申请公布号	JPH0218902(U)	申请公布日期	1990.02.08
申请号	JP19880097504U	申请日期	1988.07.23
申请人		发明人
分类号	F16L55/04;F15B1/08;(IPC1-7):F15B1/047	主分类号	F16L55/04
代理机构		代理人
主权项
地址

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