00542nam a2200181 4500 20181210065757.0 180419s1950 pk a|||| |||| 000 0 eng d BD-DhBPA BD-DhBPA 384.1 PAP 1950 ministry of post and telegraphs 92991 Post and telegraphs manuals / karachi: ministry of post and telegraphs, 1950. various pagination: ill.; 20 cm. includes index anannya Postal service 103069 ddc BK 35647 35647