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发明名称
摘要
申请公布号
JPS50136820(U)
申请公布日期
1975.11.11
申请号
JP19740046478U
申请日期
1974.04.25
申请人
发明人
分类号
F16K27/00;F15B11/00;(IPC1-7):F16K27/00
主分类号
F16K27/00
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