IC 009. US 021 023 026 036 038. G & S: Valves, namely, check valves fitted with sight glasses, valves operated automatically by electric or electronic control, by solenoid, or by temperature or other changes in physical conditions; control valves, namely, control valves operated automatically by electric or electronic control, by solenoid, or by temperature or other changes in physical conditions, control valves for regulating the flow of gases and liquids; parts and fittings for the aforementioned goods
IC 011. US 013 021 023 031 034. G & S: Valves, namely, manually operated valves, stop valves for regulating liquids and gases, safety valves for fluid and steam control systems; control valves, namely, level controlling valves for use in heat exchangers, steam distribution systems, steam boilers, storage vessels, hot water tanks, humidifiers and reactors; parts and fittings for the aforementioned goods
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