Method and apparatus for filling containers
作者： Ralph S Hood
DOI:
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lens.org 参考文章(5)
Goldberg Max, Valve-controlled filling machine ,(1941)
George B Brown, Method of insulating ,(1939)
John C Moore, Apparatus for applying insulation ,(1940)
James H Renton, Cop-making apparatus ,(1919)
Adelmer M Bates, Process of filling bags. ,(1902)