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发明名称
摘要
申请公布号
JPS55140854(U)
申请公布日期
1980.10.08
申请号
JP19790040763U
申请日期
1979.03.30
申请人
发明人
分类号
F16J13/02;(IPC1-7):F16J13/02
主分类号
F16J13/02
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