Specification for still video floppy disk magnetic recording system Ingestion-build-132972 BS 7161 specifies the dimensions

BS 7161  specifies the dimensions for interchangeability of propeller bosses and propeller shaft ends in the shaft

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Specification for still video floppy disk magnetic recording system Ingestion-build-132972 BS 7161 specifies the dimensionsWhat is this BS EN 61122 Still video floppy disk magnetic recording system about? BS EN 61122 discusses specification for a still video floppy disk magnetic recording system. BS EN 61122 provides technical requirements for still video floppy disk systems that use a magnetic disk in a jacket, known as a still video floppy disk. In these systems, analogue pictures, time compressed analogue audio sounds and or digital data information are recorded