Portable holder for small tools
作者： Donald H Molitor
DOI:
关键词: Computer science
摘要:
lens.org 参考文章(5)
Homer V Martin, Electric cord housing ,(1946)
Elsa A Soderberg, Electric wire take-up receptacle ,(1953)
Tau Andrew, Hairpin holder and opener ,(1949)
Mason Grover, Device for preventing humming of telephone-wires. ,(1901)