Methods of test for petroleum and its products. Part 49, penetration of bituminous materials /
Methods of test for petroleum and its products. Part 49, penetration of bituminous materials /
British Standards Institution.
- 5 pages ; 33cm.
- British standard ; BS 2000 : PART 49 : 1983 .
- British standard ; BS 2000 : PART 49 : 1983 .
Petroleum products--Analysis.
Bituminous materials--Great Britain.
Petroleum products--Analysis.
Bituminous materials--Great Britain.
