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prc.nao.ac.jp › museum › arc_news › arc_news073.pdf · * 天文台プレミュージアム展示品プレ勢揃い22)赤道儀駆動用ガバナー2個:赤道儀駆動用の時計装置で速度が可変で太陽、月、惑星、
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