Ribbed barrier with lapped, edgejoined facing panels
United States Patent 3382637
US Patent References:
/0759834.html
- - 0759834
/1275668.html
- - 1275668
Ceiling construction
- - 1679915
Preformed structural units
- - 2792164
Void former and void former in a concrete floor construction
- - 3328932
/0759834.html
- - 0759834
/1275668.html
- - 1275668
Ceiling construction
- - 1679915
Preformed structural units
- - 2792164
Void former and void former in a concrete floor construction
- - 3328932
Inventors:
Enrico, Longinotti
Publication Date:
05/14/1968
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Primary Class:
Other Classes:
52/338, 52/528, 411/177, 411/427, 52/544, 52/337, 52/309.120, 52/331, 411/399
International Classes:
E04B5/40; E04B5/32
Foreign References:
| GB191125789A | ||||
| GB573106A |