HB 1947-1975
Symmetrical guide column rectangular formwork (English Version)
- Standard No.
- HB 1947-1975
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 1947-1990
- Latest
- HB 1947-1990
HB 1947-1975 history
- 1970 HB 1947-1990 Cold-punching sliding guide cast iron mold center pillar cast iron mold
- 1970 HB 1947-1975 Symmetrical guide column rectangular formwork
