Devices for alarm or indication, e.g. when empty; Advertising arrangements in coin-freed apparatus

Introduced: September 1968

Last revised: January 2006

Full Title

Details other than those peculiar to special kinds or types of apparatus > Devices for alarm or indication, e.g. when empty; Advertising arrangements in coin-freed apparatus

Classification Context

Section:: PHYSICS
Class:: CHECKING-DEVICES
Subclass:: COIN-FREED OR LIKE APPARATUS