One-way engaging wrench having guided work-engaging rollers
作者： Kavalar Alfred
DOI:
关键词: Human–computer interaction 、 Work (electrical) 、 Wrench 、 Computer science
摘要:
lens.org 参考文章(2)
Defordt Jules Frederic, Free-wheel clutch ,(1921)
Jacob B Rosenstein, Adjustable ratchet-wrench. ,(1916)