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Test documents MK1, MK2, MK3 for facsimile apparatus. Specifications
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Devices for speech reception and transmission. Methods of measuring acoustic noises
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Digital audio interface. Part 4. Professional applications
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Information technology. Radio frequency identification for item management. Part 6. Parameters for air interface communications at 860 MHz to 960 MHz. General requirements
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Electronic flash device for amateur photography. General specifications
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