{"version":"1.0","type":"link","title":"電気時計技術読本―テンプから水晶まで (1972年) (グノモン時計叢書〈7〉)","provider_name":"JellyFarmの買い物百貨","provider_url":"https://jellyfarm.netlify.app","thumbnail_url":"https://m.media-amazon.com/images/I/41pcymoPysL._SL500_.jpg"}
