Template guided trimming apparatus
作者： Laurel E Dunlap
DOI:
关键词:
摘要:
lens.org 参考文章(5)
Lloyd W Young, Automatic reproducing process and machine ,(1935)
James L Young, Portable pipe beveling apparatus ,(1954)
Shaw Albert W, Bullard Dorothy E, Claire Frank L, Power-operated pipe-cutting tool ,(1949)
Lionel A Carter, Metal-severing apparatus ,(1918)
Robert R Perron, Helen M Stacey, Sole fitting machines ,(1954)