75452159
Mar 18, 1998
Jun 5, 2001
Manually operated industrial metal valves, namely, butterfly isolation damper valves for pressure control, pollution control, tight shut-off, high temperature refractory and specialty applications
Metal Goodsvalves being part of industrial machines, namely, electric or pneumatic butterfly isolation damper valves for pressure control, pollution control, tight shut-off, high temperature refractory and specialty applications
Machinery