Boring or penetrating the earth
With signaling, indicating, testing or measuring
Signaling or indicating condition of cutting in cuttings...
Inventor
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Battery powered means and method for facilitating measurements w
Locking means for facilitating measurements while coring
Means and method for facilitating measurements while coring
Means and method for facilitating measurements while coring
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Profile ID: LFUS-PAI-P-230876