73283156
Oct 23, 1980
Oct 12, 1982
Manually Operated Valves (Not Parts of Machines) Made of Common Metal, Metal Taps, and Parts Thereof
Metal GoodsValves (Parts of Machines), Non-Automatic Mechanically Operated Valves, Hydraulically Operated Valves, Pneumatically Operated Valves, Soot Blowers for Cleaning Boilers and Heat Exchangers, and Parts Thereof
MachineryValves Operated Automatically by Electric Current Control, by Solenoid, by Temperature or Other Changes in Physical Conditions; Pressure Gauges and Gauge Syphons for Steam, Water or Air; Water Gauges; Thermometors; Dial Thermometers; Regulators for Feed Water; Pressure Regulators; Electrically Operated Water Level Indicators and Alarms; and Parts Thereof
Electrical and Scientific Apparatus