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摘要
申请公布号
JPS627711(Y2)
申请公布日期
1987.02.23
申请号
JP19820079554U
申请日期
1982.05.28
申请人
发明人
分类号
F16L3/18;E02F3/36;F16L3/22;F16L3/223;(IPC1-7):E02F3/36
主分类号
F16L3/18
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