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发明名称
摘要
申请公布号	JPH03123185(U)	申请公布日期	1991.12.16
申请号	JP19900032033U	申请日期	1990.03.28
申请人		发明人
分类号	F16L9/14;F16L11/12;(IPC1-7):F16L11/12	主分类号	F16L9/14
代理机构		代理人
主权项
地址

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