00630cam a22002411 4500 sa 63000161 DLC 20260227111919.0 850703s1962 pk 000 0 eng sa 63000161 PL480:P-E-33 (OCoLC)12231216 DLC HU DLC premarc a-pk--- KPL1142 .P35 1962 Pakistan. Patent Office. Patent office hand book. 2d ed. Karachi, Manager of Publications, 1962. 311 p. 25 cm. Patent laws and legislation Pakistan. 53338 53338