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发明名称
摘要
申请公布号
JPH0224964(Y2)
申请公布日期
1990.07.10
申请号
JP19830164250U
申请日期
1983.10.24
申请人
发明人
分类号
F15B13/043;F16K37/00;(IPC1-7):F15B13/043
主分类号
F15B13/043
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