TY - BOOK AU - "Townsend A.L." TI - "Plumbing 1." SN - "0-7487-0315-2" AV - TH6122 .T69 PY - 1969/// CY - London PB - Sranley Thornes (Publishers) Ltd. KW - 1. Plumbing KW - "Y" N1 - "N" ER -