Method of making hollow castings

作者: Robert A Kempe

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参考文章(13)
Rudolf H Thielemann, Method of fabricating molds ,(1943)
Pack Charles, Die-casting process ,(1921)
Pack Charles, Method of casting ,(1922)
Robert Neiman, Steinbock Edmund A, Method and means for producing commercial castings ,(1942)
Collins Paul Francis, Pattern for castings ,(1938)