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发明名称
摘要
申请公布号
JPS551338(Y2)
申请公布日期
1980.01.16
申请号
JP19740012581U
申请日期
1974.01.29
申请人
发明人
分类号
F16K37/00;F15B13/00;F16K3/06;F16K31/06;(IPC1-7):F16K31/06
主分类号
F16K37/00
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