6250 cpi information systems - recorded magnetic tape for information interchange - 6250 cpi , group - coded recording 信息系統(tǒng).信息交換用已記錄的磁帶
Information systems - recorded magnetic tape for information interchange - 6250 cpi , group - coded recording 信息系統(tǒng).信息交換用可記錄磁帶. 6250 cpi組編碼記錄
6 . 35 10000 bpi 394 bpmm information technology - recorded magnetic tape mini - cartridge for information interchange - 12 24 - track , serial , 0 . 250 inch 6 . 35 mm 10000 bpi 394 bpmm group - coded recording 信息技術(shù).信息交換用可記錄小型盒式磁帶. 12 24磁道串行0 . 250英寸
0 . 495 1944ftpmm 49378ftpi information technology - magnetic tape and cartridge for information interchange - unrecorded , 36 - track , parallel , 12 . 57 mm 0 . 495 in , 1944 ftpmm 49378 ftpi group - coded recording 信息技術(shù).信息互換用磁帶和盒式磁帶.未記錄的36 -磁道平行的12 . 57mm