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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP6533775ApriorityCriticalpatent/JPS51141690A/en
Publication of JPS51141690ApublicationCriticalpatent/JPS51141690A/en
Testing Resistance To Weather, Investigating Materials By Mechanical Methods
(AREA)
Abstract
PURPOSE: To hourly catch environmental corrosion conditions by use of combination of the metallic plate specimens and the colour samples showing the extent of corrosion of metallic plate.