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Soil sampler
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Ground examination device
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Device for determining mechanical characteristics of ground
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Pipeline securing device
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Device for phase-comparison carrier-current relay protection of transmission lines
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Device for forming holes in frozen soil
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Apparatus for pressiometric testing of soil
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Method and pressiometer for pressiometric testing
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Ground sample device
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Intermediate support of power transmission line
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Power line support
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Apparatus for testing soil in well
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Apparatus for determining normal and tangential strain in soil
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Soil anchor
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Power transmission line support
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Power transmission line support
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Support hinge for lifting and erecting elongated structure on foundation
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Pressiometer
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Method of detecting faulted section of line
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