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Do you know when the world’s first metal detection security door was born?

Time : 2020/6/15 Hits : 268 Font : Small Medium Larger [back]
The world's first metal detection security door (walk through metal detector door) was born in 1960, and it was mainly used in industrial and mining industry to check mineral purity in the early days. With the development of society and the increase in crime rate, in the early 1970s, metal detectors were introduced into a new application area-security inspection, which is the prototype of the metal detection security door we use today, and it appeared This means that humankind's awareness of safety has entered a new era.
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