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Title:
Composite beam
United States Patent 3238690
Inventors:
Burdette, Wilkins William
Publication Date:
03/08/1966
Export Citation:
Click for automatic bibliography generation
Assignee:
Reinforced, Plastic Container C.
Primary Class:
52/847
Other Classes:
52/423, 52/843, 156/313
International Classes:
E04C3/29
;
E04C3/29
View Patent Images:
Download PDF 3238690
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US Patent References:
2739092
Manufacture of reinforced paper and product
1473842
Structural element
1368594
Reinforced wooden beam
1269140
N/A
0491092
N/A