发明名称 Archaeological sifting basket
摘要 An archaeological sifting basket is disclosed for use at the site of an archaeological dig, said basket comprising a frame, with wire mesh screen attached. The basket is hinged to be collapsible and has a bottom wall made up of two planar areas arranged at an angle to each other for increased flexibility of use.
申请公布号 US4162967(A) 申请公布日期 1979.07.31
申请号 US19770860553 申请日期 1977.12.14
申请人 GIRONDA, RALPH F JR 发明人 GIRONDA, RALPH F JR
分类号 B07B1/02;(IPC1-7):B07B1/02 主分类号 B07B1/02
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