GG T 416 : A
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
TIMER, INTERVAL, SPRING-DRIVEN, PHOTOGRAPHIC
14-09-1990
12-01-2013
Specifies manually wound, spring-driven timers, intended for use in physical therapy, photographic darkrooms, and laboratories to show intervals of time.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.