Heat detector, Russia (03).jpg
Georg Pik
en
Heat detector, Russia (03), USSR fire detectors, Heat detector
commons
ja
熱検出器、ロシア(03)、ソ連の火災検知器、熱検出器
commons_translated
detector estrus oestrus heatable pungency piquancy piquantly piquant pungently pungent heat heating spiciness gun