78166772
Sep 23, 2002
Protective clothing for aircraftmen and spacemen; pressure suits, namely, suits and parts of pressure suits which protect against the effects of considerable acceleration on the human body; protective headgear, namely, helmets for aircraftman and spacemen, protective helmets with overpressure installations; hearing protection, namely, protective ear muffs not for medical use
Electrical and Scientific ApparatusMaintenance and repair of articles of protective clothing and pressure suits as well as of security systems, inclusive of their components, in aircraft
Building Construction and Repair