共 50 条
- [1] Chemical industry worldwide 2000 Huagong Xiandai/Modern Chemical Industry, 2001, 21 (11): : 1 - 6
- [5] Patenting in the Finnish chemical industry in 1999 Kemia-Kemi/Finnish Chemical Journal, 2000, 27 (06): : 445 - 446
- [8] The Polish chemical industry in statistics (first half of 1999) PRZEMYSL CHEMICZNY, 1999, 78 (11): : 406 - 406