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Which standard is generally used to determine the classification of explosion-proof areas at present?

2011-10-07View Original

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Which standards and specifications are generally used to determine the classification of explosion-proof areas at present?
Reply #22011-10-08
Refer to the standard GB50058
Reply #32011-10-08
Reply to 2# changjianghappy: It’s the standard from 1992; is there any new one?
Reply #42011-10-09
Reply to 3# lyr9901: We are still using the version from 1992!

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