71271233
Aug 18, 1928
Jan 15, 1929
VIBRATING SCREENS AND CONCENTRATING TABLES USED FOR SEPARATING AND SIZING VARIOUS MATERIALS, SUCH AS SAND, GRAVEL, CRUSHED STONE, COAL, COKE, CLAY, SAWDUST, MEAL, SALT, SUGAR, CEMENT, GYPSUM, ORES, METALS, ETC.
Yarns and Threads