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发明名称
摘要
申请公布号
JPS5444156(Y2)
申请公布日期
1979.12.19
申请号
JP19740137751U
申请日期
1974.11.15
申请人
发明人
分类号
F15B11/17;F15B11/16;(IPC1-7):F15B11/16
主分类号
F15B11/17
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代理人
主权项
地址
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