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Class Information
Number: 102/330
Name: Ammunition and explosives > Blasting > Contained pressurized fluid blasting charge > Contained fluid exit seal controlled by fluid pressure > Valve-type seal > Automatically operated
Description: Subject matter wherein the valve is operated without human intervention as a result of the pressure in the container reaching a preset valve.

Patents under this class:

Patent Number Title Of Patent Date Issued
5511481 Lightweight pyrotechnic compressor Apr. 30, 1996
4626031 Apparatus for loosening and/or breaking coal deposits, rocks, granular or lumpy material, or scrap Dec. 2, 1986
4301731 Air shooting system for the mining of coal or the like Nov. 24, 1981

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