A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention provides a key with a compass. The compass is arranged on the key. When we play outdoors, the key can be carried with us; and when we cannot find the direction, we can take out the key to see the compass, and we are helped to clearly identify the direction.
本发明提供一种带指南针的钥匙，所述的钥匙上设有指南针，当我们在户外游玩时，可以把钥匙随身携带，当我们有些找不到方向时，就可以拿出钥匙看下指南针，帮助我们辩认清楚方向。
The invention provides a key with a compass. The compass is arranged on the key. When we play outdoors, the key can be carried with us; and when we cannot find the direction, we can take out the key to see the compass, and we are helped to clearly identify the direction.
本发明提供一种带指南针的钥匙，所述的钥匙上设有指南针，当我们在户外游玩时，可以把钥匙随身携带，当我们有些找不到方向时，就可以拿出钥匙看下指南针，帮助我们辩认清楚方向。
Key with compass
带指南针的钥匙
LIAO ZIHAO (author)
2020-06-16
Patent
Electronic Resource
Chinese
IPC:
E05B
LOCKS
,
Schlösser
Online Contents | 2015
Online Contents | 2017
Online Contents | 2017