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发明名称
摘要
申请公布号
JPS6322397(Y2)
申请公布日期
1988.06.20
申请号
JP19820132782U
申请日期
1982.08.31
申请人
发明人
分类号
F16L55/00;F16K47/08;(IPC1-7):F16L55/00
主分类号
F16L55/00
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代理人
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