Concrete Vessels [g21c-13/08d] Patents and Patent Applications (Class 976/DIG183) - Justia Patents Search

Concrete Vessels [g21c-13/08d] Patents (Class 976/DIG183)

Digests

Made of prestressed-concrete [g21c-13/08d2] (Class 976/DIG184)

Particulars concerning pre-stressing devices (and cables) [G21C-13/08D2B] (Class 976/DIG185)

There are no patents to show for this class.