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Requirements for the training of scientific divers - Scientific divers. Original standard BS EN ISO 8804-1-2024 in PDF full version. Additional info + preview on request

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Requirements for the training of scientific divers - Advanced scientific divers. Original standard BS EN ISO 8804-2-2024 in PDF full version. Additional info + preview on request

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Requirements for the training of scientific divers - Scientific diving project leader. Original standard BS EN ISO 8804-3-2024 in PDF full version. Additional info + preview on request

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Methods of test for petroleum and its products. Liquefied petroleum gases. Detection of hydrogen sulfide. Lead acetate method. Original standard BS EN ISO 8819-1995 (BS 2000-401-1995) in PDF full version. Additional info + preview on request

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Technical drawings. Roller bearings - General simplified representation. Original standard BS EN ISO 8826-1-1995 (1999) BS 308-1.12-1995 in PDF full version. Additional info + preview on request

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Technical drawings. Roller bearings - Detailed simplified representation. Original standard BS EN ISO 8826-2-1997 (1999) BS 308-1.13-1997 in PDF full version. Additional info + preview on request

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