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Find number abc

If c0ba4 + 916b3 = 162a3c find number abc. Multiple solutions may exist.

Correct answers: 22

The first user who solved this task is Nasrin 24 T.

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Joan: "I'm looking for a golden anniversary gift for my husband."
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Edison patents

In 1906, Thomas A. Edison was issued a series of U.S. patents, (Nos 821,622 - 821,627), respectively for a "Process of Cleaning Metallic Surfaces" in the form of long continuous strips to prepare for coating (ex. by electroplating); as for a "Storage-Battery-Filling Apparatus," which provided a means to indicate when the proper filling level of solution has been reached; a "Gas-Separator for Storage Batteries"; a "Process of Treating Alkaline Storage Batterie"; a "Process of Making Metallic Films or Flakes"; and a "Process of Making Metallic Flakes or Scales."

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