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Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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| Number | Title | Issue Date |
| 5330017 | Method of processing drilling mud in earth-boring operations A method and associated apparatus are provided for processing the drilling mud used to flush cuttings from the bore hole while maintaining control of bore hole pressure. Air is injected into the lower regions of drilling mud in the working pits to agitate... | 07/19/1994 |
