发明名称 Method of manufacturing a self-cleaning bathtub
摘要 An improved self-cleaning bathtub having a reservoir large enough for multiple usages and an improved unitary water diversion system is disclosed.
申请公布号 US4974310(A) 申请公布日期 1990.12.04
申请号 US19890335724 申请日期 1989.04.10
申请人 ALTMAN, MURRAY 发明人 ALTMAN, MURRAY
分类号 A47K3/02 主分类号 A47K3/02
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