YY/T 1639-2018 一次性使用聚氨酯输注器具二苯甲烷二异氰酸酯（MDI）残留量测定方法
文件大小 : 1.22 MB
文档格式 : PDF电子版
文档分类 : 行业标准
更新时间 : 2024-11-19 08:48:00
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/61/20/31/61203127.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182