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发明名称
摘要
申请公布号
JPS52158453(U)
申请公布日期
1977.12.01
申请号
JP19760066663U
申请日期
1976.05.25
申请人
发明人
分类号
F16K31/68;B60H1/32;F25B39/02;F25B41/00;F25B41/06;(IPC1-7):B60H3/04
主分类号
F16K31/68
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