FIG. 1 is a front perspective view of a high temperature, high pressure
filter press for testing drilling fluids of my new design; and
FIG. 2 is a rear perspective view of a high temperature, high pressure
filter press for testing drilling fluids of my new design.
Cain, David E.
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Micro valve for controlling path of fluids in miniaturized capillary connections |
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Combined micro valve and pressing member for controlling path of fluids in miniaturized capillary connections |
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Maintenance Fee Events |
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