TY - GEN AU - Cazenave, Robert, ID - 10158 KW - Industrial property N1 - See French version in LA PROPRIETE INDUSTRIELLE 1975, vol 91, No 10, p 313-315;. T1 - Letter from French-speaking black Africa / TI - Letter from French-speaking black Africa / VL - 1975 Vol 14 No 10 pages 318-320 ER -