| 41. | Code for construction and acceptance of rotating electrical matchines electric equipment installation engineering
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| 42. | Electric equipment installation engineering code for construction and acceptance of electric lighting devices
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| 43. | Code for construction and acceptance of power convertor equipment electric equipment installation engineering
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| 44. | Electric equipment installation engineering code for construction and acceptane of power convertor equipment
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| 45. | Code for construction and acceptance of electric device of crane electrical equipment installation engineering
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| 46. | Construction and acceptance specification for installation engineering of light - metal smelting machinery equipment
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| 47. | Telecommunications . radiotelephone and car . service delivered by the radiotelephone installation engineers
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| 48. | Code for construction and acceptance of elevators electric equipment of electrical apparatus installation engineering
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| 49. | Standard of inspection and measurement of ray photographing for metal melting meld seam of building installation engineering
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| 50. | Code for construction and acception of 1kv and under feeder cable engineering electric equipment installation engineering
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