Find number abc
If 17acc + 3aba0 = 5c14c find number abc. Multiple solutions may exist.Correct answers: 34
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Edison patentIn 1909, a U.S. patent for "Waterproofing Paint for Portland Cement Buildings" was issued to Thomas A. Edison (No. 909,167) and another for "Waterproofing Paint for Portland Cement Structure" (No. 909,169). He also received a patent for "Waterproofing Fibers and Fabrics" (No. 909,806). |