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The cone penetration or cone penetrometer test (CPT) is a know-how used to determine the geotechnical engineering properties of soils and delineating soil stratigraphy. It was initially industrial in the 1950s at the dutch people Laboratory for Soil Mechanics in earthenware to study cottony soils. Based on this humanities it has also been named the "Dutch cone test".

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Lin-Tech: Penetration of Bituminous Material, Grease, Petrolatum, Waxes, Gel

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LT/P-65000/M For discovery of the penetration of semi-solid and solid bituminous materials. Cover four procedures for activity the consistency of lubricating greases by the penetration of a cone of specified dimensions, aggregate and finish. Covers measuring with a penetrometer the penetration of petrolatum as an empirical measure of consistency.

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EI | IP 50: Determination of cone penetration of lubricating grease

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