Twin walled compost receptacle with vertical ventilation cha nnels in the walls
A Standard patent application filed on 18 April 1996 credited to Hartwall, Peter
Details
Application number :
54118
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Twin walled compost receptacle with vertical ventilation cha nnels in the walls