| 标准编号 | 07/30163658 DC (Withdrawn) |
| 标准名称 | BS EN 621. Non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW, without a fan to assist transportation of combustion air and/or combustion products |
| 主编部门 | |
| 标准状态 | |
| 出版社 | |
| 批准文号 | |
| 发布日期 | 2007-06-13 |
| 实施日期 | |
| 废止日期 | |
| 替换信息 | |
| 前言 | |
| 无 |
