| 标准编号 | MIL-S-7420B (NOTICE-1) |
| 标准名称 | Military Specification: Steel Bars, Alloy, Chromium, High Carbon E52100 (Aircraft Quality) (20-Jan-1989) [S/S By Sae-Ams6440, Sae-Ams6444 And Sae-Ams6447] |
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| 无 |
| 标准编号 | MIL-S-7420B (NOTICE-1) |
| 标准名称 | Military Specification: Steel Bars, Alloy, Chromium, High Carbon E52100 (Aircraft Quality) (20-Jan-1989) [S/S By Sae-Ams6440, Sae-Ams6444 And Sae-Ams6447] |
| 主编部门 | |
| 标准状态 | |
| 出版社 | |
| 批准文号 | |
| 发布日期 | |
| 实施日期 | |
| 废止日期 | |
| 替换信息 | |
| 前言 | |
| 无 |
