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发明名称
摘要
申请公布号
JPS592569(Y2)
申请公布日期
1984.01.24
申请号
JP19770020138U
申请日期
1977.02.23
申请人
发明人
分类号
F15B13/042;F16D25/06;F16D48/02;G05D16/00;G05D16/10;G05D16/16;(IPC1-7):G05D16/16
主分类号
F15B13/042
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代理人
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