Hole-shaping and thread-forming screw and process for driving in the same
A Standard patent application filed on 18 December 1995 credited to Palm, Erich
Details
Application number :
43048
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Hole-shaping and thread-forming screw and process for driving in the same