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Question:

Anti-theft door locks can be changed inside and outside

Anti-theft door locks can be changed inside and outside

Answer:

Test method: with B key rotation 360 degrees, A key can still open, then it is not facelift. This is the interior.
Some special models, such as Paul Dean 11, Wang Li special, old-fashioned security lock can not change inside and outside, universal gourd-type lock, there are some brands can, there are some
Not all of the anti-theft lock can be inside and outside the facelift

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