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发明名称
摘要
申请公布号
JPS5723737(Y2)
申请公布日期
1982.05.22
申请号
JP19770077109U
申请日期
1977.06.15
申请人
发明人
分类号
F16J15/36;F16J15/34;(IPC1-7):F16J15/36
主分类号
F16J15/36
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代理人
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