31-550 标准查询与下载

SJ 1775-1981 陶瓷金属封接式电极

Cermet-sealed electrodes

SJ 1774-1981 真空设备观察窗

Observation window for vacuum equipment

SJ 1779-1981 普通二极型溅射离子泵.参数系列

Ordinary two-electrode sputtering ion pump--Parameters series

SJ 1771-1981 真空设备金属钟罩.密封圈

Metallic bell cover for vacuum equipment--Sealing collar

SJ 1770-1981 真空设备金属钟罩.法兰

Metallic bell cover for vacuum equipment--Flange

SJ 1780-1981 普通二极型溅射离子泵.技术条件

Ordinary two-electrode sputtering ion pump--Performance specification

SJ 1781-1981 溅射离子泵.试验方法

Sputtering ion pump--Testing methods

SJ 1769-1981 真空设备金属钟罩.封头

Metallic bell cover for vacuum equipment--Sealing head

SJ 1768-1981 真空设备金属钟罩.筒体

Metallic bell cover for vacuum equipment--Body case

SJ 1661-1980 电子工业专用设备热处理技术要求（暂行）

Heat treatment performance requirements for special equipment for electronic industry (Provsional)

SJ 1552-1979 电子工业专用设备机械装配技术要求(暂行)

Performance requirements for assembling of special equipment for electronic industry (Provisional)

SJ 1274-1977 金刚石拉丝模

Diamond wortle

SJ 1011-1975 手柄翻开式钻模 压板

Jig opened with handle--Clamps

SJ 1009-1975 手柄翻开式钻模 模架

Jig opened with handle--Jig sets

SJ 1017-1975 手柄翻开式钻模 钻套

Jig opened with handle--Bit holder

SJ 1016-1975 手柄翻开式钻模 支架

Jig opened with handle--Mould base legs

SJ 1015-1975 手柄翻开式钻模 支柱

Jig opened with handle--Supporting pillars

SJ 1010-1975 手柄翻开式钻模 钻模板

Jig opened with handle--Jig plate

SJ 1013-1975 手柄翻开式钻模 导柱

Jig opened with handle--Guide pillars

SJ 1012-1975 手柄翻开式钻模 搭扣

Jig opened with handle--Buckles