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发明名称
摘要
申请公布号
JP2507100(Y2)
申请公布日期
1996.08.14
申请号
JP19900025945U
申请日期
1990.03.14
申请人
发明人
分类号
F16L19/03;(IPC1-7):F16L19/03
主分类号
F16L19/03
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