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Petroleum and liquid petroleum products. Calibration of horizontal cylindrical tanks - Manual methods. Original standard BS ISO 12917-1-2017 + A1-2025 in PDF full version. Additional info + preview on request

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Petroleum and liquid petroleum products. Calibration of horizontal cylindrical tanks. Internal electro-optical distance-ranging method. Original standard BS ISO 12917-2-2002 in PDF full version. Additional info + preview on request

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Petroleum products and lubricants. Determination of the mechanical stability of greases in presence of water. Original standard BS ISO 12921-2024 in PDF full version. Additional info + preview on request

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Lubricants, industrial oils and related products (Class L). Family X (Greases). Specifications. Original standard BS ISO 12924-2023 in PDF full version. Additional info + preview on request

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Lubricants, industrial oils and related products (class L). Family C (gears) - Specifications for lubricants for enclosed gear systems. Original standard BS ISO 12925-1-2024 in PDF full version. Additional info + preview on request

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Lubricants, industrial oils and related products (class L). Family C (gears). Specifications of categories CKH, CKJ and CKM (lubricants open and semi-enclosed gear systems). Original standard BS ISO 12925-2-2020 in PDF full version. Additional info + preview on request

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