由全国凿岩机械气动工具标准化技术委员会归口的 1999年版本的国家标准和行业标准现已出版。这批标准共 32项 (见表 1) ,目前凿标委秘书处正向预订购单位发行。这批标准印数较少 (每项仅 5 0 0份 ) ,除馆藏、备案和质检管理等部门利用外 ,供征订的已为数有限 ,因此希预订购数量 The national standards and industry standards for the 1999 edition, which are governed by the National Standardization Technical Committee of Pneumatic Tools for Plutons, have now been published. A total of 32 items of these standards (see Table 1), the current chisel Commission Secretariat is pre-order units issued. The standard print runs are less (each of only 500 copies), except for the collection, filing and quality control departments. There are only a limited number of subscriptions, so the quantity pre-ordered