BS 4867 : Pt. 2 : August : 1972 : Specification for drawing boards and associated equipment - part 2 : Tee squares
- London B.S.I. 1972
- 6p.
STD1861
BS 4867 : Pt. 2 : August : 1972
686.88 : 744.341
STD1861
BS 4867 : Pt. 2 : August : 1972
686.88 : 744.341