Maritime navigation and radiocommunication equipment and systems. Digital interfaces - Multiple talkers and multiple listeners. Ship systems interconnections. Documentation and test requirements Ingestion-build-63436 Fire/smoke dampers are like fire

Fire/smoke dampers are like fire dampers in fire-resistance rating and prevent the spread of smoke inside the ducts

either mechanically or by hand

sensor units and electronic units used for the determination of dissolved oxygen partial pressure or concentration

The passive optical device (component) controls a transmittance with a designed wavelength-independent transfer coefficient

Maritime navigation and radiocommunication equipment and systems. Digital interfaces - Multiple talkers and multiple listeners. Ship systems interconnections. Documentation and test requirements Ingestion-build-63436 Fire/smoke dampers are like fire