“软硬开”工具开启一字双排曲线槽锁具的痕迹研究
Traces Left on Pin-vane Mortised Locks Undergone with Soft and Hard Unlocking Tools
“软硬开”工具开启一字双排曲线槽锁具的痕迹研究 |
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王梓入 |
Traces Left on Pin-vane Mortised Locks Undergone with Soft and Hard Unlocking Tools |
| 弹子孔变形（a：弹子孔由圆形变为椭圆形;b：多个弹子孔由圆形变为不规则形状） |
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