AS 1139-1985

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Dental radiographic film

Standards Australia , 01/01/1985

Pages: 9

Category:
Specifies requirements for film used for dental intra-oral (speed groups C and D) and extra-oral radiography. Definitions, sizes, shape and physical properties of intra-oral and extra-oral films are laid down. Appendices give methods for determining base and fog (emulsion and safe light) densities, and for determining speed and average gradient.