灭火(弓旦)于1973年由抚顺煤炭研究所和平顶山矿务局矿山救护队试制试验成功,并经煤炭科学研究院召开的全国重点救护队队长会议鉴定后批准使用。几年来已在部分煤矿扑灭初起火灾中使用,效果良好,深受各局矿的欢迎。而且其他行业也在应用。但由于药剂供应和雷管购置等原因,多数救护队未能装备这种手雷。现在河南省临颖县花炮厂已经成批生产,可供全国各地使 Fire fighting (Bowdan) in 1973 by the Fushun Coal Institute and the Pingdingshan Mining Mines team trial success, and by the Coal Research Institute held the national key ambulance captain meeting after the approval of the use. Over the past few years in some coal mines have been extinguished since the use of fire, the effect is good, welcomed by the bureau mine. And other industries are also applied. However, most ambulance teams failed to equip such grenades due to the supply of pharmaceuticals and the purchase of detonators. Now Linping County, Henan Province fireworks factory has been mass-produced for all parts of the country to make