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发明名称
摘要
申请公布号
JPS52133440(U)
申请公布日期
1977.10.11
申请号
JP19760042691U
申请日期
1976.04.07
申请人
发明人
分类号
F16K11/04;B60H1/08;G05D7/01;(IPC1-7):B60H1/08
主分类号
F16K11/04
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