00366nam a2200133Ia 4500 230917s9999||||xx |||||||||||||| ||und|| 181822 MAIN English 347.771 P272P The Patents act, 1970 (39 of 1970) and the Patents rules, 1972 Lucknow Eastern Book Company 1982 172 p. BK 0 0 0 347_771000000000000_P272P 0 357253 MAIN MAIN 2011-03-28 0 347.771 P272P 89513 2023-09-17 22:10:46 2023-09-17 BK 223149 223149