Draft applying tool for portable motor-blower units
作者： Breuer Grant W , Lanter Clarence W
DOI:
关键词: Engineering 、 Engineering drawing
摘要:
lens.org 参考文章(4)
Harry A Yates, Safety air nozzle ,(1942)
Walter M. Guedel, Device for cleaning lawns, yards, and the like ,(1934)
Manuel T Coelho, Sprinkler and lawn sweeper ,(1931)
Minturn John, ATTACHMENT FOR LOCOMOTIVES. ,(1906)