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摘要
申请公布号
JPS4924853(U)
申请公布日期
1974.03.02
申请号
JP19720067993U
申请日期
1972.06.09
申请人
发明人
分类号
F16J15/06;B63B19/26;F16J15/02;F16J15/10;(IPC1-7):F16J15/02
主分类号
F16J15/06
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