DC Voltage Gradient Technology and Supply Ltd. is the world's leading company in DC Voltage Gradient Technology with very active research into the technology and the design and manufacturing of DCVG and CIPS survey instruments.
The original inventor of the DCVG technique way back in the early 80s was an ex Telecom engineer, John Mulvany. John worked extensively with Dr. John Leeds of DCVG Ltd. in the early 80s in developing and proving...
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