Automatic handling apparatus
作者： John K Smith
DOI:
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摘要:
lens.org 参考文章(5)
Peter J Bresciani, Machine for assembling and securing parts ,(1946)
George A Kaufman, Apparatus for stagger piling metal sheets ,(1935)
Joseph A Adde, Industrial lift truck ,(1946)
Arthur R Havener, Automatic riveting machine ,(1949)
William F Eames, Door control apparatus ,(1953)