Device for guiding postal articles, forms or the like
作者： Jong Cornelis Leendert De , Christiaan Johannes Van Dalen
DOI:
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摘要:
lens.org 参考文章(3)
Copping Geoffrey Perey, Parker Donald James, Barr David John, Apparatus for mechanically handling thin flat articles ,(1958)
Breuers Theo Pierre Chretien, Sheet feeding device ,(1961)
Frederick W Uthenwoldt, Jr Arthur I Palmer, Sheet feeding device ,(1952)