首页>
外文OA文献
>Specification of an improvement upon the ordinary machine for carding wool. Patented by Don Marcus Bacon, Huntington, Pennsylvania, Oct. 10, 1828
【2h】
Specification of an improvement upon the ordinary machine for carding wool. Patented by Don Marcus Bacon, Huntington, Pennsylvania, Oct. 10, 1828
展开▼
机译:规范梳理羊毛普通机的改进。由Don Marcus Bacon,Huntington,宾夕法尼亚州,1828年10月10日获得专利