SJ 1739-1981 通信电声器件外形尺寸系列.pdf

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CB 1220-1993 921A、922A钢焊接坡口基本形式及焊缝外形尺寸.pdf

CB 1220-2005 921A等钢焊接坡口基本形式及焊缝外形尺寸.pdf

JB T 6306-1992 电力半导体模块外形尺寸.pdf

JB T 7793-1995 电量变送器外形尺寸、接线端子排列.pdf

JB T 5302-2002 外球面球轴承座 补充结构 外形尺寸.pdf

HB 6130-1987 飞机压力加油接嘴外形尺寸标准.pdf

SJ 2005-1982 微波二极管外形尺寸.pdf

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SJ 2684-1986 半导体发光（可见光）器件 外形尺寸.pdf

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