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method for preparing alkaline cyanide free zinkbaden and method for the application of zinkbekledingen under this zinkbaden.
method for preparing alkaline cyanide free zinkbaden and method for the application of zinkbekledingen under this zinkbaden.
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机译:碱无锌欣克巴登的制备方法和在该欣克巴登下的欣克贝克汀丁的应用方法。
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摘要
An alkaline - cyanide free or substantially cyanide-free bath is provided for the electrodeposition of a bright levelled zinc coating; said bath containing a zinc salt, alkali hydroxide and conventional additives and a reaction product of unsaturated nitrogen heterocyclic hydrocarbon compounds containing at least two nitrogen atoms in the ring with epihalogen hydrin or glycerol halogen hydrin.
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