UNI F.A.9-1938 机动车水箱和油罐用螺纹塞子关闭.内燃机火花塞.26-18类型.机动车内燃机线圈点火.大型.取消标准化UNI 154,155和179
Motor vehicle water tanks and oil tanks are closed with threaded plugs. Internal combustion engine spark plug. 26-18 type. Motor vehicle internal combustion engine coil ignition. Large. Destandardization of UNI 154, 155 and 179