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煤炭部煤矿专用设备标委会１９９３年秘书长工作会议在北京召开煤炭部煤矿专用设备标准化技术委员会（以下简称标委会）１９９３年分技术委员会（以下简称分会）秘书长工作会议于１９９３年１１月３０日至１２月３日在北京煤科总院建井所召开。参加这次会议的有煤炭部科教...
Coal Mine Special Equipment Standard Committee 1993 1993 Secretary General Working Conference Held in Beijing Ministry of Coal Mine Equipment Specialization Standardization Technical Committee (hereinafter referred to as the standard committee) 1993 Technical Committee (hereinafter referred to as the branch) Secretary-General Work Conference in 1993 11 On the 30th of December to December 3 held in Beijing Coal Mining General Hospital built wells. Attend the meeting of the Ministry of Coal Science and Education ...