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ANSI/OEOSC OP1.0110-9-2015
Optics and Electro-Optical Instruments - Preparation of drawings for optical elements and systems - Part 9: Surface treatment and coating
This national standard establishes uniform parctices for indicating the treatments and coatings applied to optical surface for functional and/or protective purposes. It is based entirely on ISO 10110-9, with some modifications to accommodate standard practice in the United States.
Optics and Electro-Optics Standards Council [oeosc]