Floor structure
United States Patent 3080021
Inventors:
Muir, Alan M.
Publication Date:
03/05/1963
View Patent Images:
Export Citation:
Assignee:
R D WERNER CO CANADA LTD
Primary Class:
Other Classes:
296/184.100, 105/422, 52/489.100, D25/121, 52/630, 52/471
International Classes:
E04B5/10
Foreign References:
| GB662763A | ||||
| GB739400A | ||||
| GB742285A |