FLANGED STRUCTURAL ASSEMBLY
United States Patent 3517474
US Patent References:
/0426558.html
- - 0426558

Metal door
- - 1488095

Method of making box-section structural elements
- - 3167851

Structural member
- - 3342007


Inventors:
Lanternier, Andre
Publication Date:
06/30/1970
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Assignee:
WENDEL & CIE SA DE
Primary Class:
52/842
International Classes:
E04C3/07; E04C3/04; E04C3/32
Foreign References:
NL69106C
CH414118A




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