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发明名称
摘要
申请公布号
JPS577892(Y2)
申请公布日期
1982.02.15
申请号
JP19770077848U
申请日期
1977.06.16
申请人
发明人
分类号
F16J15/06;(IPC1-7):F16J15/06
主分类号
F16J15/06
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代理人
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