TY - GEN T1 - Revised tariff and customs code of the Philippines. Republic Act no. 1937, effective July 1, 1957 [microform]. LA - English PP - Quezon City PB - Photoduplication Service, University of the Philippines Library YR - 1977 UL - https://tuklas.up.edu.ph/Record/UP-99796217606304679 NO - Microfilmed with 19 other titles. KW - Tariff : Law. : Philippines. KW - Customs administration : Philippines. ER -