GB 50067-2014 第7.3.2条
| | Exit signs: Illuminated exit signs shall be provided at intervals not exceeding 20 m, and shall be installed on walls below 1 m above the floor or on the floor. |
| | Exit signs: Illuminated exit signs shall be provided at intervals not exceeding 20 m, and shall be installed on walls below 1 m above the floor or on the floor. |
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