Difference between revisions of "Radiotaajuuskirja/172,300 MHz"
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Latest revision as of 21:19, 17 December 2019
172,300 MHz on valtionrautateiden taajuus. <ref>kanava 51</ref>
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172,300 MHz on valtionrautateiden taajuus. <ref>kanava 51</ref>
