发明名称 PORCELAIN ENAMEL SINK BOWL AND IT MANUFACTURED BY THE METHOD
摘要 The present invention relates to a porcelain enamel sink bowl and a manufacturing method for the same to reduce production costs, to be hygienic, and to satisfy various preferences of consumers using various colors by processing the sink bowl of a cold-rolled steel plate with upper and lower oil and finishing the surface of the sink bowl.
申请公布号 KR20130133621(A) 申请公布日期 2013.12.09
申请号 KR20120057021 申请日期 2012.05.29
申请人 LEE, SANG WOO 发明人 LEE, SANG WOO
分类号 C23D5/00;C23D3/00 主分类号 C23D5/00
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