MYZ—150型瓦斯抽放巷道钻机鉴定会于1984年5月9日至11日在松藻矿务局召开,会议由煤炭工业部技术发展司与煤炭科学院主持。来自全国29个院、所、局、矿、厂等单位的80余名代表参加了会议。会中分别听取了重庆煤炭研究所的 MYZ—150型钻机研制报告、松藻局打通一矿的工业试验报告和镇江煤田地 MYZ-150 Gas Drainage Roadway Drilling Identification will be held May 9, 1984 to 11 at the Songzao Mining Bureau, the meeting was chaired by the Ministry of Coal Industry Technology Development and Coal Academy. More than 80 representatives from 29 institutes, institutes, bureaus, mines and factories nationwide attended the conference. In the meeting, they separately listened to the research report of MYZ-150 drilling rig of Chongqing Coal Institute, the industrial test report of the Songzao Bureau and the coal mine in Zhenjiang