AS

Informative symbols for use on electrical and electronic equipment - Anti-rain clutter (position of minimum)
standard by Standards Australia, 01/01/1978

Informative symbols for use on electrical and electronic equipment - Adjustment to a maximum
standard by Standards Australia, 01/01/1978

Informative symbols for use on electrical and electronic equipment - Underwater sound projector
standard by Standards Australia, 01/01/1978

Informative symbols for use on electrical and electronic equipment - Band-pass filter with variable pass-band; selectivity control
standard by Standards Australia, 01/01/1978