Throw-away toothbrush and package
作者： Harold B Macdonald
DOI:
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lens.org 参考文章(4)
William E Lyons, Disposable toothbrush containing a dentifrice ,(1952)
Julian L Reynolds, Laminate for wrapping precooked frozen food ,(1956)
Masters George Ernest, Improvements relating to the packaging of metal and other articles ,(1954)
Orcisco E Jones, Tooth-brush holder. ,(1909)