GROUNDING CONNECTION FOR MOBILE POWER INSTALLATIONS
FIELD: electrical engineering. ^ SUBSTANCE: proposed device that has base 1 with vertical electrodes 2 is provided in addition with ground stake 3 incorporating inner passage 4 which is bent over helical line that bears following components: turning grip 7 and liquid bowl with hand-operated piston p...
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Format: | Patent |
Sprache: | eng ; rus |
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