TY  - GEN
ED  - BRITISH STANDARDS INSTITUTION
TI  - BS 4604 : Pt. 1 : 1970 : Specification for the use of high strength friction grip bolts in structural steel work metric series : part 1. General grade
PY  - 1970///
CY  - London
PB  - BRITISH STANDARDS INSTITUTION
N1  - STD1697
ER  -