根据全国凿岩机械气动工具标准化技术委员会 (以下简称凿标委 )主任委员的要求 ,通过凿标委秘书处对本行业 1 991～ 1 996年制定的 34项标准进行认真审查 ,以及日常所收集到的各单位在标准实施中所反馈给凿标委秘书处的标准所存在的问题和标准的实际应用情况 ,按照上级标准化主 According to the requirements of the chairman of the National Standardization Technical Committee for Rock Drilling Pneumatic Tools (hereinafter referred to as Chisel Standard Commission), the 34 standards promulgated by the industry from 1991 to 1996 were carefully examined through the secretariat of the Chisel Commission, and routinely collected All units in the implementation of the standard feedback to the chisel standard committee Secretariat standards and problems existing in the practical application of standards, according to the higher standardization main