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iso 9022 20
iso 9022 20, Total:2 items.
In the international standard classification, iso 9022 20 involves: Optical equipment.
未注明发布机构, iso 9022 20
German Institute for Standardization, iso 9022 20
- DIN ISO 9022-20:2015 Optics and photonics - Environmental test methods - Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide (ISO 9022-20:2015)