Adds to publication 583 the following new clause: 4. Requirements for stoppers, 4.1. Diameter: The largest diameter of the stopper shall not exceed the outer diameter of the test tube (including its lip, if any) which it will be used. This is specified i
IEC 60583A:1981 history
1977IEC 60583:1977 Dimensions of test tubes made of glass or plastics for radioactivity measurements