黑白显象管 meaning in Chinese

black and white kinescope
monochrome picture tube
monochrome tube

Blank detail specification for black and white picture tubes
黑白显象管空白详细规范
Grading standard of quality for black and white picture tubes
黑白显象管质量分等标准
Blank detail specification for black - and - white picture tube bulbs
黑白显象管玻壳空白详细规范可供认证用
Generic specification for electron gun of black - and - white picture tubes
黑白显象管电子枪总规范可供认证用