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TRAILER AIR LINES
5th October 1989, Page 53
5th October 1989
Page 53
Page 53, 5th October 1989
— TRAILER AIR LINES
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QI have been told recently that air lines on trailers have to be fitted with non-return valves. Is this correct?
JD, Sunderland AYes, but for more precise details contact your supplying dealer.