TY  - GEN
T1  - Letter from Poland /
AU  - Kopff, Andrzej,
VL  - 1976 Vol 15 No 11 pages 253-263
N1  - See French version LA PROPRIETE INDUSTRIELLE 1976, Vol 92, No 11, p 256-267.
ID  - 9949
KW  - Industrial property
TI  - Letter from Poland /
ER  -