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| International Standard Category: Coaxial cables. Waveguides |
GB 11449.4-1989 Flanges for waveguides Part 4: Relevant specification for flanges for circular waveguides
波导法兰盘 第4部分:圆形波导法兰盘规范;
| Category No.: | 33.120.10 | Valid Status: | valid |
| Issued Organization: | AQSIQ | Issued Date: | 1989-3-4 |
| Implemented Date: | 1990-3-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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