Method of making external cover of building a double-layer for roofs, walls and floors
A Standard patent application filed on 19 November 1999 credited to Zou, Xinjian
Details
Application number :
13722
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Method of making external cover of building a double-layer for roofs, walls and floors