GB/T 13747.22-2017 锆及锆合金化学分析方法第22部分∶氧量和氮量的测定惰气熔融红外吸收法/热导法

文件大小 : 879.94 KB

文档格式 : PDF电子版

文档分类 : 国家标准

更新时间 : 2023-12-25 11:07:00


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/61/10/85/61108542.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182