GB/T 13739-2011 激光光束宽度、发散角的测试方法以及横模的鉴别方法
文件大小 : 0 KB
文档格式 : PDF电子版
文档分类 : 国家标准
更新时间 : 2024-04-18 10:37:34
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/24/34/96/2434969.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182