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Class 137/169 - Gas pressure controlled by manual or cyclic means


Subclass of Class 137 - Fluid handling
Definition: Feed-traps wherein the gas pressure application to the feed-traps
No. of patents: 1
Last issue date: 09/16/1986


NumberTitleIssue Date
4611395Filling system for hermetically sealed batteries
Electrochemical cell containers having an improved seal arrangement including a polymeric member carrying a metal pin in a base extending therethrough.... 		09/16/1986
 
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