Photography. Thermally processed silver microfilm. Specifications for stability not-eligible Who is PD IEC TR

Who is PD IEC TR 61850‑7‑6 - Communication networks and systems for power utility automation for

6 Power supplies

Glazed fire-resisting elements

50 mm(60 ml)

Photography. Thermally processed silver microfilm. Specifications for stability not-eligible Who is PD IEC TR1 Scope This International Standard establishes specifications for the stability of photographic films intended for storage of records; specifically, microfilms with a base of safety polyester [poly(ethylene terephthalate)] having predominantly silver behenate salts dispersed in nongelatinous emulsions, and thermally processed to produce a black and white silver image. This International Standard applies to thermally processed silver (TPS) microfilms