Increase in the duty on pressure reducing and relief valves, of metal, for use with piping with an inside diameter not exceeding 25,4 mm, of a kind commonly ... - Board of Trade and Industries ; no. 1490)
Publisher: Govt. Printer : obtainable from the Dept. of Industries
Published: 1973
Language: eng
Number of pages: 3
ISBN-13: 9780621016307