-
-
Mixer with a fixed drum
-
Patent number 4,453,831
-
Issue date Jun 12, 1984
-
Societe Anonyme Couvrot Laine & Cie
-
Jean Mahon
-
B28 - WORKING CEMENT, CLAY, OR STONE
-
3215412
-
Patent number 3,215,412
-
Issue date Nov 2, 1965
-
B28 - WORKING CEMENT, CLAY, OR STONE
-
3160399
-
Patent number 3,160,399
-
Issue date Dec 8, 1964
-
B28 - WORKING CEMENT, CLAY, OR STONE