发明授权
US5035611A Apparatus for controlling gas flows in vacuum furnaces 失效
用于控制真空炉中气体流量的装置

Apparatus for controlling gas flows in vacuum furnaces
摘要:
Two concentric and relatively displaceable cylinders mounted on the center axis of a vacuum furnace between its load chamber and its blower serve to control the gas flows in said furnace, where said gas flows are used to heat and cool the load portions.
公开/授权文献
信息查询
0/0