Types 35, 36, 37 and 95------------------------------------------------------------------------A1, A2, A3.................................................... 2, 3B1, B2, B3, B4, B5............................................ 1, 2, 3C1, C2, C3, C4, C5............................................ 1, 2, 3------------------------------------------------------------------------
[51 FR 40408, Nov. 7, 1986]
Key to Standard Grademarks