GB/T 7025.3-1997电梯主参数及轿厢、井道、机房 的型式与尺寸 第3部分：V类电梯
文件大小 : 221.9 KB
文档格式 : PDF电子版
文档分类 : 国家标准
更新时间 : 2024-01-11 09:01:58
Warning: get_headers(): SSL operation failed with code 1. OpenSSL Error messages:
error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182
Warning: get_headers(): Failed to enable crypto in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182
Warning: get_headers(https://img.0ppt.com/61/10/02/61100260.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182