CB/T 908-1996
The side of the ship has unequal studs
CB/T 908-1996
An equal-length twin stud is used on the side of the ship
HG/T 21573.2-1995
Type BT double end studs with hole-Type I
HG/T 21573.2-1995
Type BT double end studs with hole-Type II
HG/T 21573.2-1995
Type BS double end studs with hole-Type I
HG/T 21573.2-1995
Type BS double end studs with hole-Type II
HG/T 21573.2-1995
Type BS double end studs-Type III
GB/T 13807.2-1-2008
Type S Double end studs(d≥64mm)-Table 1
GB/T 13807.2-1-1992
Type S Double end studs(d≥64mm)-Table 1