CSN 01 3831-1981 Aperture cards of patent documents《专利文件穿孔卡片》.pdf

相关资源

STAS 11676-1983 UMPUNCHED CARDS《未穿孔卡片 》.pdf

STAS 11590-1983 DATA PROCESSING Implementation of the ISO 7-bit and 8-bit coded character sets on punched cards《数据处理 穿孔卡片上的ISO的7位和8位的编码字符集的执行 》.pdf

STAS 8747-1970 Information and documentation EDGE-PUNCHED CARDS General provisions《信息和文件 边缘穿孔卡片 一般规定 》.pdf

DIN 19053-1991 Microfilm aperture card for film 35 mm《35 mm 胶片用缩微胶片穿孔卡片》.pdf

DIN 66018-1-1972 Unpunched paper cards for information processing dimensions requirements test《信息处理用纸型未穿孔卡片 第1部分 尺寸、要求、试验》.pdf

DIN 66228-1-1978 Small punched cards for information processing dimensions requirements test《信息处理用小型穿孔卡片 第1部分 尺寸、要求和检验》.pdf

GOST 27464-1987 Information processing systems 7-Bit ano 8-bit codes represented on punched cards《信息处理系统 用于穿孔卡片的7-和8-bit编码》.pdf

KS X ISO 10549-2007 Micrographics－A6 size aperture cards《缩微摄影技术 A6尺寸穿孔卡片》.pdf

ONORM DIN 19053 Teil 1-1981 《电影缩微胶片 穿孔卡片35 mm 相机卡；安装卡；复制卡》.pdf

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