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摘要
申请公布号
JPH03107591(U)
申请公布日期
1991.11.06
申请号
JP19900016964U
申请日期
1990.02.22
申请人
发明人
分类号
F16L13/00;F16L13/14;F16L33/20;(IPC1-7):F16L33/20
主分类号
F16L13/00
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代理人
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