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Improvements relating to bituminous macadam surfacings for roads and the like
Improvements relating to bituminous macadam surfacings for roads and the like
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机译:与道路等沥青碎石路面有关的改进
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摘要
In the manufacture of bituminous macadam road surfaces and the like, unrefined gasworks tar which has been dehydrated at about 250 DEG F. is used as the fluxing agent for the bitumen. Suitable proportions are 1 part of tar to 2 parts of bitumen.
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