专利分类号
专利分类号查询、IPC 分类号怎么选。当用户说「这个技术属于哪个 IPC 分类」「帮我找分类号」「用分类号检索」「专利申请填哪个分类号」「科技项目要填 IPC」时使用。输出分类号参考表（Excel 能打开），带白话含义和代表专利。 Describe a technology and find the IPC codes most used by similar patents, with plain-language meanings and examples, to pick the right class or search more completely by class.
as observed 2026-10-20T23:50:05.613Z- Identifier
ipc-code-finder- Source
- ClawHub
- Version observed
- 1.0.2
- Source repository
- not published
- Repository observation
- No source repository listed
- First observed here
- 2026-10-19T22:50:38.661Z
- Observations recorded
- 2
- Installs (reported upstream)
- 0
- Weekly downloads (upstream)
- 126
- Declared license
- MIT-0
Observation history
2026-10-20T23:50:05.613Z
Fields that differed: changelog latestVersion
| Field | Before | After |
|---|---|---|
changelog |
"首发。" | "免费试用金按功能分档（检索 ¥8、报告 ¥15、交底书和撰写 ¥20），说明里的金额同步更新。" |
latestVersion |
"1.0.0" | "1.0.2" |
Correction
If you maintain this extension and believe anything above is inaccurate, request a correction. Corrections are published, and disputed entries are marked as disputed while under review.