Apparatus for extruding thermoplastic material
作者： Voigt Jan Lodewijk , Levison Robert
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google.de 参考文章(4)
Robert B Koch, Jr Ralph E James, Production of nylon rod ,(1951)
Robert B Koch, Jr Ralph E James, Method and apparatus for continously forming elongated shapes from thermoplastic materials ,(1952)
William J Davis, Formation of elongated thermoplastic shapes in vibratory forming tube ,(1954)
Louis L Stott, Method of molding articles from nylon ,(1950)