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摘要
申请公布号
JPS5448426(U)
申请公布日期
1979.04.04
申请号
JP19770123217U
申请日期
1977.09.12
申请人
发明人
分类号
E03B9/02;E03C1/042;F16K1/54;F16K31/60;G05D7/01;(IPC1-7):F16K31/60
主分类号
E03B9/02
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