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发明名称
摘要
申请公布号
JPS5870570(U)
申请公布日期
1983.05.13
申请号
JP19810166451U
申请日期
1981.11.07
申请人
发明人
分类号
G05D16/06;F16K31/06;(IPC1-7):F16K31/06
主分类号
G05D16/06
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