| 摘要 |
Novel system formed by a combined closure system, in such a manner that the mechanical closure device acts in collaboration with the other, electronic closure device which is based on a suitably powered circuit which has individual memories for as many combinations as there are, allowing the use of delayed opening and making it possible to program opening of the safe with one or a number of secret codes and automatic security locking, also including alarm, control, etc. means.
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