IS 11409 : 2006 Title: Information processing - 9-track, 12.7 mm (0.5 in) Wide Magnetic Tape for Information Interchange Using NRZ1 At 32 ftpmm (800) ftpi) - 32 cpmm (800 cpi) Format: Print Pages: 8 Year: 2006 Publisher: Bureau of Indian Standards Availability: Out of Stock