["제조업체가 泵 的生产需要什么证书？",,"1、泵 已经被移出生产许可证目录，防爆电泵需要进行强制 k 认证，那么不需要进行强制 认证的泵，制造厂商需要什么资格？还是只要到有关部门备个案就行了？ s、防爆电泵是指可以在防爆区域使用的电动泵吗？只知道配套的电机、电控箱、仪表什么的要防爆，不知道泵为什么要防爆？","생산 许可证 泵 防爆是指防爆 电机 有的介质燃点低易爆炸等等"]

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