GB/T 819.2-2016 十字槽沉头螺钉 第2部分：8.8级、不锈钢及有色金属螺钉
文件大小 : 864.08 KB
文档格式 : PDF电子版
文档分类 : 行业标准
更新时间 : 2024-08-20 14:54:53
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/24/01/53/2401534.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182