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发明名称
摘要
申请公布号
JPS5318452(U)
申请公布日期
1978.02.16
申请号
JP19760099346U
申请日期
1976.07.26
申请人
发明人
分类号
F16J15/447;F16J15/44;(IPC1-7):F16J15/44
主分类号
F16J15/447
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代理人
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