发明名称 SCRUBBING SPONGE AND METHOD FOR MAKING SAME
摘要 <p>A scrubbing sponge (10) is disclosed which has a body and projections (14) extending from the body which are of greater density and preferably frusto-conical in shape. The mold (20, 30) for the sponge is preferably a two piece mold, one (20) of which contains vented cavities (24) which define the projections.</p>
申请公布号 WO1990011039(A1) 申请公布日期 1990.10.04
申请号 US1989004284 申请日期 1989.09.29
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