GB/T 13761.1-2022 土工合成材料 规定压力下厚度的测定 第1部分:单层产品

文件大小 : 2528.18 KB

文档格式 : PDF电子版

文档分类 : 国家标准

更新时间 : 2023-12-01 17:35:38


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/61/11/93/61119356.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182