US PATENT SUBCLASS 241 / 31
.~ With explosion preventing or relieving means

Current as of: June, 1999
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241 /   HD   SOLID MATERIAL COMMINUTION OR DISINTEGRATION

*  DD  APPARATUS {41}
31.~ With explosion preventing or relieving means

DEFINITION

Classification: 241/31

(under the class definition) Apparatus provided with means to prevent the occurrence of explosions, to relieve the effects thereof, or to shield certain parts of the apparatus therefrom.

SEE OR SEARCH CLASS

137, Fluid Handling,

455+, for relief valves of general application.