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Objective lenses. Method for measuring the vignetting
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Information technology. Open Systems Interconnection. Service definition for the Association Control Service Element
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Transistors. Method for measuring collector-emitter reverse current
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Information protection. Sequence of protected operational system formation. General
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Information technology. Open systems interconnection. Structure of management information. Part 6. Requirements and guidelines for implementation conformance statement proformas associated with OSI management
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Printed circuit boards. Classification of defects
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