ANSI PH4.31

TESTING THE PHOTOGRAPHIC INERTNESS OF CONSTRUCTION MATERIALS USED IN PHOTOGRAPHIC PROCESSING

Org/Number ID	ANSI PH4.31
Alternate Organization ID / number
Version(s)	1982
Bin #	0536
Comments	Superseded By: ANSI IT4.31
Status	Present
Record last updated	June 25, 2022, 8:01 pm

This is not the most recent edition of this standard.

Newer edition note: 1991