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A photo-electric bitumen estimating apparatus
Apparatus for determining soluble bitumen content of asphaltic materials, general principle of which was worked out in laboratory of Limmer and Trinidad Lake Asphalt Co., being made by B. J. Hall and Co.; it is claimed to have accuracy of 1 per cent while complete test can be carried out in 35 min.
A photo-electric bitumen estimating apparatus
Apparatus for determining soluble bitumen content of asphaltic materials, general principle of which was worked out in laboratory of Limmer and Trinidad Lake Asphalt Co., being made by B. J. Hall and Co.; it is claimed to have accuracy of 1 per cent while complete test can be carried out in 35 min.
A Study on Photo-thermal Coupled Aging Kinetics of Bitumen
British Library Online Contents | 2012
|Photo-electric smoke recording apparatus
Engineering Index Backfile | 1932
Online Contents | 2010
UB Braunschweig | 1958
|TIBKAT | 1.1931 - 11.1941; 1942,Apr.; 12.1950 - 66.2004; damit Ersch. eingest.
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