Roof from assembled shell supported by cable net
United States Patent 3410039
Inventors:
Vladimir, Brezina
Publication Date:
11/12/1968
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Assignee:
Ceskoslovenska, Akademie Ved
Primary Class:
Other Classes:
52/643, 52/223.600, 52/83
International Classes:
E04B7/14
Foreign References:
| FR1196729A | ||||
| FR1352239A | ||||
| GB981672A |