Seizure of 3 kilogrammes of raw opium made at Machang, Hopei on 21 May 1947 : Convention of 13 July 1931 for Limiting the Manufacture and Regulating the Distribution of Narcotic Drugs as amended by the Protocol signed at Lake Success 11 December 1946 : China : report / communicated by the Government of China
Seizure of 3 kilogrammes of raw opium made at Machang, Hopei on 21 May 1947 : Convention of 13 July 1931 for Limiting the Manufacture and Regulating the Distribution of Narcotic Drugs as amended by the Protocol signed at Lake Success 11 December 1946 : China : report / communicated by the Government of China
