GB/T 37600.5-2019 全国主要产品分类产品类别核心元数据第5部分:乐器

文件大小 : 923.05 KB

文档格式 : PDF电子版

文档分类 : 国家标准

更新时间 : 2024-01-05 09:27:55


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/61/10/32/61103237.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182