ASTM C-231 AASHTO T-152 For determining the air content of freshly mixed concrete from observation of the change in volume of concrete with a change in pressure. CO-401 Air Entrainment Meter 5....
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Rakaju Lab Teknik ASTM C-187/ C-191 AASHTO T-129/ T-133 For determining normal consistency and time of setting of hydraulic cement CE-121 Vicat Apparatus Cast alumunium frame, stainless steel....