Recommended joint preparation for gas welding,manual metal arc welding,gas-shield arc welding and beam welding
MOD ISO 9692-1:2003
全国焊接标准化技术委员会
GB/T 985的本部分规定了钢材焊接的坡口形式和尺寸。
本部分适用于气焊、焊条电弧焊、气体保护焊和高能束焊接。
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