Committee on international standardization 国际标准化委员会
2.
These specimens were heated following as closely as possible the iso - 834 standard fire curve or the standard fire curve prescribed by the regulation of gb / t 9978 - 1999 ( structural member fire - resistant experimental method ) 试件的升温按国际标准化委员会标准iso - 834和我国《 gb / t9978 - 1999建筑结构耐火试验方法》所规定的建筑火灾标准升温曲线进行。