An X-ray CT apparatus is provided. ; Q1 to Q5 represent each N or carbon; Y represents halogeno, etc. Each appliance holds a corresponding local list and includes a card reader. Defibrillators of this invention would contain multiple languages in their memory. When a second peak with more than a predetermined amount of the motor rotating speed is detected after the first peak detection, the activationcancellation time period is established by adding a time Tb1 that is a predetermined numerical-fold door vibration period to the activationcancellation time period obtained before. 919 grams per cubic centimeter and a copolymerhomopolymer ratio of from 3 to 9.