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申请公布号
JPS5417125(U)
申请公布日期
1979.02.03
申请号
JP19770088759U
申请日期
1977.07.05
申请人
发明人
分类号
F16K31/62;F16K21/04;(IPC1-7):F16K21/04
主分类号
F16K31/62
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