TY - BOOK AU - UNITED KINGDOM, NATIONAL ECONOMIC DEVELOPMENT (Office-) (UK) ED - UNITED KINGDOM, NATIONAL ECONOMIC DEVELOPMENT (Office-) (UK) TI - Handbook for marketing machinery U1 - X 9 (D6, 8) :51.3.N7, L0/GD PY - 1970/// CY - London PB - H M S O UK KW - Mechanical ER -