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Apparatus for slant drilling

E - Fixed Constructions – 21 – B
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Apparatus for slotting and cutting pipe

E - Fixed Constructions – 21 – B
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Apparatus for static underground drilling

E - Fixed Constructions – 21 – D
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Apparatus for storing a concrete feeding hose in a rock...

E - Fixed Constructions – 21 – D
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Apparatus for storing and moving a drill pipe to a position...

E - Fixed Constructions – 21 – B
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Apparatus for storing drill rods

E - Fixed Constructions – 21 – B
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Apparatus for stripping fluid from well pipe

E - Fixed Constructions – 21 – B
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Apparatus for supporting a direct drive drilling unit in a...

E - Fixed Constructions – 21 – B
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Apparatus for testing an oil well, and corresponding method

E - Fixed Constructions – 21 – B
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Apparatus for testing and monitoring landfills

E - Fixed Constructions – 21 – B
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Apparatus for testing drill stems

E - Fixed Constructions – 21 – B
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Apparatus for testing earth formations

E - Fixed Constructions – 21 – B
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Apparatus for testing earth formations

E - Fixed Constructions – 21 – B
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Apparatus for testing earth formations

E - Fixed Constructions – 21 – B
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Apparatus for testing earth formations

E - Fixed Constructions – 21 – B
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Apparatus for testing earth formations

E - Fixed Constructions – 21 – B
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Apparatus for testing earth formations composed of particles...

E - Fixed Constructions – 21 – B
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Apparatus for the cooling of drilling liquids

E - Fixed Constructions – 21 – B
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Apparatus for the generation of pressure pulses in drilling...

E - Fixed Constructions – 21 – B
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Apparatus for the in-situ definition relating to the...

E - Fixed Constructions – 21 – B
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