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发明名称
摘要
申请公布号
JPS63141387(U)
申请公布日期
1988.09.19
申请号
JP19870032942U
申请日期
1987.03.06
申请人
发明人
分类号
F16L55/04;F16K47/02;(IPC1-7):F16K47/02
主分类号
F16L55/04
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代理人
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