且均取得了国家指家的检验机构颁发的防爆合格证。
And achieved a national home inspection organizations that explosion-proof certificate issued.
产品经国家权威机构检测合格，并取得了防爆合格证，及工业防爆设备生产许可证。
Product testing by the competent authority of the State institutions, and have achieved certification proof, explosion-proof equipment and industrial production license.
以上产品均取得生产许可证、防爆合格证、安全标志准用证、科学技术新产品鉴定证书等。
The above products have all been approved the certificates of production licence, flame-proof certification, safe mare licence and scientific and technologic new product assay certification and so on.
以上产品均取得生产许可证、防爆合格证、安全标志准用证、科学技术新产品鉴定证书等。
The above products have all been approved the certificates of production licence, flame-proof certification, safe mare licence and scientific and technologic new product assay certification and so on.
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