
Dimensions of hubs and reels for magnetic tape for instrumentation interchange General purpose hubs and reels, with 76 mm (3 in) centre hole
出版:Standards Australia

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Covers general purpose hubs and reels with 76 mm centre hole, precision reels, and general purpose reels with 8 mm centre hole. It is technically identical with and has been reproduced from ISO 1858, ISO 1860 and ISO 3802.
ISO 1858:1977 - Identical