12/30243459 DC : 0被替代
BS ISO/IEC 80079-37 - EXPLOSIVE ATMOSPHERES - PART 37: NON-ELECTRICAL EQUIPMENT FOR USE IN EXPLOSIVE ATMOSPHERES - NON-ELECTRICAL TYPE OF PROTECTION CONSTRUCTIONAL SAFETY 'CH', CONTROL OF IGNITION SOURCES 'BH', LIQUID IMMERSION 'KH'
出版：British Standards Institution
专家解读视频
