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中华人民共和国国家标准水喷雾灭火系统设计规范ＣｏｄｅｏｆＤｅｓｉｇｎＦｏｒＷａｔｅｒＳｐｒａｙＦｉｒｅＥｘｔｉｎｇｕｉｓｈｉｎｇＳｙｓｔｅｍｓＧＢ５０２１９一９５主编部门：中华人民共和国公安部批准部门：中华人民共和国建设部发布日期：１９９５年１月１４...
The People’s Republic of China national standard water spray fire extinguishing system design code CodeofDesignForWaterSprayFireExtinguishingSystemsGB50219 a 95 editorial department: Ministry of Public Security of the People’s Republic of China Approved by: Ministry of Construction of the People’s Republic of China Release Date: January 1995 14 ...