Method and jig for packaging vegetables or the like
作者： Robert K. Schwebs
DOI:
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lens.org 参考文章(6)
Otto W. Schulz, Collapsible fruit box and holder therefor ,(1924)
Ehrenhardt Fred, Produce basket filling device ,(1929)
John G. Kuhn, Means for packing fruit and vegetables ,(1934)
Sidney P Vaughn, Method and apparatus for attaching compressible cleaning materials to holders or backings ,(1936)
Enos B Hiatt, Device for packing fruit and the like ,(1925)
Arthur L Canfield, Method of packing isinglass. ,(1906)