dl439
dl439, Total:3 items.
The international standard classification for "dl439" includes: Metal structures .
The Chinese standard classification for "dl439" includes: Fastener .
Professional Standard - Electricity
- DL/T 439-2006 The technical guide for high-temperature bolt of fossil-fired power plant
- DL/T 439-2018 The technical guide for high-temperature bolt of fossil-fired power plant
- DL 439-1991 The Technical Guide for High-Temperature Bolt of Fossil-Fired Power Plant
