TY  - GEN
T1  - Printing and publishing in China and foreign countries and the evolution of the concept of copyright /
AU  - Zheng, Chengsi,
VL  - 1987 No 4 pages 41-43
ID  - 8212
KW  - Copyright
KW  - Trademarks
KW  - Patents
TI  - Printing and publishing in China and foreign countries and the evolution of the concept of copyright /
ER  -