Portable sawmill frame
作者： Philip C Hubbard
DOI:
关键词: Frame (networking) 、 Computer hardware 、 Computer science
摘要:
lens.org 参考文章(4)
Earl H Christensen, Lawrence W Carver, Portable saw mill with built-in leveling mechanism ,(1952)
Charles Kohler, Lid-support for piano-cases. ,(1905)
Jesse B Miller, Means for transporting vehicles and the like ,(1931)
Frederick W Yells, Vehicle loading device ,(1927)