发明名称 A NOVEL WASH-BOARD
摘要 <p>The present invention relates to the field of laundry and more particularly to a novel wash-board. Claimed and described is a wash-board comprising a rubbing surface (12), which has a shore A hardness, of less than 95.</p>
申请公布号 WO2001088254(A1) 申请公布日期 2001.11.22
申请号 US2000024077 申请日期 2000.09.01
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