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TD47-D0541出口型英标针片状规准仪是沧州泰鼎恒业试验仪器有限公司根据英标（BS 812）开发生产的。
Used for determining the elongation index of aggregates. Aggregates particles are considered elongated when their length is more than 1.8 of their nominal size.Wooden base, brass plate and steel pins.To evaluete the flakiness and the thickness of the aggregates particles, suitable sieves codes 47-D0415/x and Thickness gauge code 47-D0540 can be used. Standard:BS 812:105.1
