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| Patent | |
| sport. | 三审七 |
| patent | |
| consult. | 专利制法 |
| environ. | 专利 |
| interntl.trade. | 专利品; 专利权 |
| oil | 专利; 许可证 |
| tech. | 专利 |
| -a | |
| gen. | 用以构成阴性单数名词; 女性人名; 构成某些动植物、氧化物的名称和一些地名 |
| A | |
| gen. | 埃 |
| a | |
| gen. | 一; 一; 同一; 每; 在辅音音素开头的单词前用a; 在元音音素开头的单词前用 |
|
patent a : 83 phrases in 16 subjects |
| Automobiles | 1 |
| Business | 20 |
| China | 4 |
| Commerce | 3 |
| Consulting | 1 |
| Economics | 18 |
| Finances | 1 |
| International trade | 6 |
| Law | 6 |
| Metallurgy | 1 |
| Pharmacology | 1 |
| Project management | 1 |
| Scientific | 4 |
| Securities | 1 |
| Technology | 6 |
| Textile industry | 9 |