 Keyparade |
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Junker Morse Key Type M.T. (D.R.P.) |
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German Standard Morse Key (since 1931)
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D.R.P. = Deutsches Reichspatent (before 1945)
| 2006-05-14 |
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German Standard Morse Key (since 1931) |
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D.R.P. = Deutsches Reichspatent (before 1945) |
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