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申请公布号
JPS4425427(Y1)
申请公布日期
1969.10.24
申请号
JP19650008256U
申请日期
1965.02.06
申请人
发明人
分类号
F16K1/48;F16K31/50;(IPC1-7):F16K31/50
主分类号
F16K1/48
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