TB 1541.31-1984
The square backing plate of the concave and convex die device of the cold stamping die δ=3~6 (English Version)
- Standard No.
- TB 1541.31-1984
- Language
- Chinese, Available in English version
- Release Date
- 1984
- Published By
- Professional Standard - Railway
- Status
- Latest
- TB 1541.31-1984
TB 1541.31-1984 history
- 1984 TB 1541.31-1984 The square backing plate of the concave and convex die device of the cold stamping die δ=3~6
