A method and device for laying waste pipes in hollow flooring blocks
A Standard patent application filed on 13 September 1989 credited to Pettersson, Sune
;
Teglund, Lars
Details
Application number :
42260
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
A method and device for laying waste pipes in hollow flooring blocks