-
-
3317030
-
Patent number 3,317,030
-
Issue date May 2, 1967
-
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
-
3220536
-
Patent number 3,220,536
-
Issue date Nov 30, 1965
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL