73050652
Apr 28, 1975
Apr 28, 1981
Plants and Machinery for the Petrochemical, Plastics, Fertilizer, Cellulose and Gas Refining Industries; Plants and Machinery for the Oil, Grease, Chemical, and Chemical Fertilizer Industry; Combustion Engines; Machines and Parts Therefor for Refining Minerals, Ores, Coal, Rocks, Earth and Salt
Machinery