“MACH: E/R ALARM INDICATOR COLUMN SYSTEM;
MODEL: SG 6;
MAKER: HANGZHOU HUAYAN DIGITAL ELECTRON CO;
SPECIFICATION: DRAWING NO. = HY20101011WG-001” ELECTRIC HORN; FROM DRW NO: HY20101011WG-001 – PAGE 9/11 HANGZHOU HUAYAN DIGITAL.SG6.NA