BS EN 135001:1997 Specification for harmonized system of quality assessment for electronic components. Blank detail specification: CW power amplifier travelling wave tubes up to 500 watts
1978BS EN 135001:1997 Specification for harmonized system of quality assessment for electronic components. Blank detail specification: CW power amplifier travelling wave tubes up to 500 watts
1978BS EN 135001:1978 Specification for harmonized system of quality assessment for electronic components - Blank detail specification: CW power amplifier travelling wave tubes up to 500 watts