Ice handling machine
作者： Everett E. Fowler
DOI:
关键词: Engineering
摘要:
lens.org 参考文章(2)
Macisaac Donald, Hoist for building material ,(1938)
Stokes Charles Calvin, Material handling construction ,(1945)
作者： Everett E. Fowler
DOI:
关键词: Engineering
摘要: