02

01-81-9-790-001

02-1970-12365

1970 - 01 81 9 790 001

Year - 1977
Reference - 7 = last digit of year
11 = brochure
03 = series
0520 = Catalogue number
2/77 = second half of year to early part of next year
Shown as: 1977 - 7 11 030520 2/77