A CONCRETE SLEEPER BLOCK COMPRISING A RAIL SUPPORT INSERT PLATE OF ELASTOMERIC MATERIAL, A METHOD OF MANUFACTURE THE SLEEPER BLOCK AND A RAIL INSERT PLATE FOR CARRYING OUT METHOD
A Standard patent application filed on 13 April 1981 credited to Westberg, S.
;
Rosvall, A.
Details
Application number :
71538
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
A CONCRETE SLEEPER BLOCK COMPRISING A RAIL SUPPORT INSERT PLATE OF ELASTOMERIC MATERIAL, A METHOD OF MANUFACTURE THE SLEEPER BLOCK AND A RAIL INSERT PLATE FOR CARRYING OUT METHOD