Heat exchangers as parts of machines; inert bodies for pyrolysis, thermolysis or gasification of organic matter, namely, beads, toroids, cylinders or ovoid balls for refuse crushers as parts of machines; mixing machines; mills as machines; cinder sifters as machines
MachineryGas purification apparatus; heat accumulators; heating apparatus for solid, liquid or gaseous fuels; heating apparatus; heating elements; heat exchangers; inert bodies for incinerators, namely, heating elements for incinerators; inert bodies for pyrolysis, thermolysis or gasification of organic materials, namely, beads, toroids, cylinders or ovoid balls for gas production and purification apparatus as heating bodies; industrial treatment installations
Environmental Control Apparatus