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20th June 1975, Page 79
20th June 1975
Page 79
Page 79, 20th June 1975
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Making Trucks And Buses Quieter
VIRONMENTAL pressure noise reduction in trucks and .es has led to changes in legison and considerable research [ development activity among icle manufacturers. This cle aims to......
Projected Short-term Improvements
Further short-term improvements can be expected from the engine itself on which there has been separate development activity, in two basic forms. First, errors in the advance......