"Phenanthroling" CNS Standards List| Resilient | Length Bolt | Revolving Machine | Photography Processing | Steel Forgings | Nominal Dimension | External Micrometers | Testing methods | |
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CNS 8142
2020 Edition Chemical Reagent (0 - Phenanthroling Hydrochloride) 化學試藥(盬酸–1,10–二氮菲) |
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