1，1，1，2－四氟乙烷的混合制冷剂
Release Time:2025-04-30
Hits:
- Title:
- 1，1，1，2－四氟乙烷的混合制冷剂
- Type of Patent:
- Invent
- Application Number:
- ZL 2003 1 0118961.4
- Service Invention or Not:
- No
- Application Date:
- 2003-01-01
- Date:
- 2025-04-30
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