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发明名称
摘要
申请公布号
JPS4970766(U)
申请公布日期
1974.06.19
申请号
JP19720115839U
申请日期
1972.10.03
申请人
发明人
分类号
E03C1/266;B01D3/00;B04B3/00;B04B7/18;E03C1/18;E03C1/264;(IPC1-7):B01D3/00
主分类号
E03C1/266
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