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Aerospace - Screws, 100 degrees normal countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa - Dimensions. Original standard BS ISO 5856-2008 in PDF full version. Additional info + preview on request

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Aerospace. Bolts, with MJ threads, made of alloy steel, strength class 1250 MPa. Procurement specification. Original standard BS ISO 5857-2008 in PDF full version. Additional info + preview on request

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Aerospace series. Graphic symbols for schematic drawings of hydraulic and pneumatic systems and components. Original standard BS ISO 5859-2014 in PDF full version. Additional info + preview on request

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Surface chemical analysis. X-ray photoelectron spectroscopy. Method of intensity calibration for quartz-crystal monochromated Al Kα XPS instruments. Original standard BS ISO 5861-2024 in PDF full version. Additional info + preview on request

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Ophthalmic optics and instruments. Anomaloscopes for the diagnosis of red-green colour vision deficiencies. Original standard BS ISO 5868-2025 in PDF full version. Additional info + preview on request

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Coal and coke. Determination of chlorine using Eschka mixture. Original standard BS ISO 587-2020 in PDF full version. Additional info + preview on request

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