发明名称 Fish tank rock cleaner
摘要 A fish tank cleaning system comprising a water pump, a hose connected to the water pump, a stone cleaning tool comprising a housing, the lower end of the housing being open to engage rocks on the bottom of an aquarium, a stirring rod moveably extending through the housing for stirring the rocks, the other end of the hose being connected to an outlet of said housing disposed above the bottom of the housing.
申请公布号 US4233702(A) 申请公布日期 1980.11.18
申请号 US19790067047 申请日期 1979.08.16
申请人 ZWEIFEL, MICHAEL R. 发明人 ZWEIFEL, MICHAEL R.
分类号 A01K61/00;E04H4/16;(IPC1-7):E04H3/20 主分类号 A01K61/00
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