http://www.w3.org/ns/prov#value | - The material may also include any one of a variety of gels, foaming agents,... 124 9000942 Borehole telemetry system A telemetry apparatus and method for communicating data from a down-hole location through a borehole to the surface is described including a light source, an optical fiber being placed along the... 125 8997889 Underwater drilling arrangement and method for introducing a foundation e
|