General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 29331-2012
Scope
This standard specifies target dimensions and cut tolerances for nominal widths of black-and-white and color roll photographic paper for contact and projection printing applications. This standard also stipulates the requirements for joints, core pulling dimensions, winding requirements and packaging marks.
GB/T 29331-2012 Referenced Document
ISO 1:1975 Standard reference temperature for industrial length measurements
ISO 554:1976 Standard atmospheres for conditioning and/or testing; Specifications
GB/T 29331-2012 history
2012GB/T 29331-2012 Photography.Paper dimensions.Rolls for printers