A telephone set with a jack preventing the telephone cord from twisting
A Standard patent application filed on 20 January 1998 credited to Liu, Jianguang
;
Zhou, Ying
;
Xiao, Xiang
Details
Application number :
57466
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
A telephone set with a jack preventing the telephone cord from twisting