Use efficiency of chemical fertilizer
catalytic chemical vapor chemical
chemical and chemical engineering
Chemical Fertilizer Plant of Jianfeng Chemical Industry Comples
chemical industry and chemical fiber pipeline
chemical name of new chemical substance
Geological Institute for Chemical minerals of China Chemical Geological Bureau
Geological lnstitute for Chemical Minerals unere Ministry of Chemical Industry
Institute of Chemical Mineral Resources and Geology of the former Ministry of Chemical Industry
Physical Testing and Chemical Analysis Part B:Chemical Analysis
speciality chemical specialty chemical
chemical drying agent (= chemical drier
chemical drier (= chemical desiccant
The Chemical Plant of Yizheng Chemical Fibre Co.
classified season-of-use and time-of-use price
Codes of Practice on Structural Use of Steel and Structural Use of Concrete
Mental & behav dis due use cocaine: harmful use
Men & behav dis due use tobacco: harmful use