HB 1937-1975
Symmetrical guide column rectangular upper formwork (English Version)
- Standard No.
- HB 1937-1975
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Replace By
- HB 1937-1990
- Latest
- HB 1937-1990
HB 1937-1975 history
- 1970 HB 1937-1990 Upper die base of cast iron mold for cold-punching mould center pillars
- 1970 HB 1937-1975 Symmetrical guide column rectangular upper formwork
