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1997年，煤矿通风安全计量器具检定规程在原规程的基础上进行了修改，并重新颁布施行。即：JJG677－96《光干涉式甲烷测定器》、JJG678－96催化燃烧式甲烷测定器》、JJG（煤炭）02－96《矿用风速表》及JJG（煤炭）03－96《矿用粉尘采样器》等重新颁布的检定规程（以下简称新规
In 1997, the procedures for the verification of coal mine ventilation safety measuring instruments were revised on the basis of the original rules and promulgated again. Namely: JJG677-96 “optical interferometric methane analyzer”, JJG678-96 catalytic combustion methane analyzer “, JJG (coal) 02-96” mine anemometer “and JJG (coal) 03-96” mining dust Sampler "re-enacted test procedures (hereinafter referred to as the new regulations