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发明名称
摘要
申请公布号
JPS56124357(U)
申请公布日期
1981.09.22
申请号
JP19800022215U
申请日期
1980.02.22
申请人
发明人
分类号
F16K5/04;F16K5/00;F16K5/10;G05D7/00;(IPC1-7):F16K5/00
主分类号
F16K5/04
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