File:ROC Police rank 4(1928).pngoriginal. https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Traditional Chinese 民國17年簡任四等警官階級章
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File:ROC Police rank 8(1928).pngoriginal. https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Traditional Chinese 民國17年薦任四等警官階級章
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