EN ISO 287-1 Qualification Test of Welders-Fusion Welding-Part 1: steels.

ENISO 287-1焊工资质测试—熔焊—第一部分：钢材。

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Possession of a welders test certificate of "The Welder's Qualification Test Committee of China Aero-Space Industry" or an approved and international recognized standard. ;

拥有航空航天焊技术考核委员会的焊工技术合格证书，或国际认可的焊接资格证书或同等级的证书；

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Possession of a welders test certificate of "The Welder's Qualification Test Committee of China Aero-Space Industry" or an approved and international recognized standard. ;

拥有航空航天焊技术考核委员会的焊工技术合格证书，或国际认可的焊接资格证书或同等级的证书；

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