| Source: St. Louis Aviation News / Aviation Pictorial News (1946-1948) Location: Oversize flat / St.L. / 05 / Sa24a | |
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| Corporate Name: | Apex Material Co. |
| Address: | 4532 North Broadway |
| Advertisement: | yes |
| Volume: | 1 |
| Issue: | 7 |
| Date of Publication: | April 1947 |
| Page: | 8 |
