A device for fixation of the spatial interrelationship of upended frames
A Standard patent application filed on 10 March 1988 credited to Johansson, Evald Valdemar
Details
Application number :
14823
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
A device for fixation of the spatial interrelationship of upended frames