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| Utgitt
| Tønsberg : The Directorate for fire and explosion prevention , 1993
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| Omfang
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| Opplysninger
| "Guidelines relating to the appliances and plants for chlorine, sulphur dioxide and ammonia, published by the Directorate for fire and explosion prevention 1 March 1993". - "HR-1048". - "The guidelines have been formulated in compliance with "Regulations for appliance and plants for chlorine, sulphur and ammonia""
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