| 摘要 |
PURPOSE: A door lock device is provided to improve security against hacking by firmly fixing the door lock device to a door. CONSTITUTION: A lock(20) locks or releases a door(1). An outdoor housing(310) is supported at the outdoor side of a door. An indoor housing(210) is supported at the indoor side of the door. A combination unit combines the outdoor housing and the indoor housing with the door. The indoor side housing comprises a plurality of first female threaded holes. The outdoor side housing comprises a plurality of second female threaded holes.
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