Columbia subject headings:
Harvard subject headings:
Electronic industries--China--Guizhou Sheng--History.
Guizhou Sheng (China)--History.
Machinery industry--China--Guizhou Sheng--History.
Princeton subject headings:
Electronic industries--China--Guizhou Sheng.
Machinery industry--China--Guizhou Sheng.
Physical geography--China--Guizhou Sheng.