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摘要
申请公布号
JPS63147989(U)
申请公布日期
1988.09.29
申请号
JP19870041686U
申请日期
1987.03.20
申请人
发明人
分类号
F16L33/00;F16L33/28;(IPC1-7):F16L33/00
主分类号
F16L33/00
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