发明名称 Filter for preventing hair from becoming clogged in a drain
摘要 A filter for preventing hair from becoming clogged in a drain which comprises a flat annular strainer and a magnetic rim on the periphery of said flat annular strainer.
申请公布号 US7975323(B2) 申请公布日期 2011.07.12
申请号 US20080218611 申请日期 2008.07.16
申请人 DEES ETHEL J 发明人 DEES ETHEL J.
分类号 E03C1/26 主分类号 E03C1/26
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