Method of forming grooves on metal pipe and groove-forming apparatus
A Standard patent application filed on 24 December 1996 credited to Kuroda, Yoshitaka
;
Sakakibara, Tetsuya
Details
Application number :
76481
Application type :
Standard
Application status :
SEALED
Under opposition :
No
Proceeding type :
Invention title :
Method of forming grooves on metal pipe and groove-forming apparatus