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Marcon Electronics Co Ltd
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Marcon Electronics Co Ltd
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Application filed by Marcon Electronics Co LtdfiledCriticalMarcon Electronics Co Ltd
Priority to JP18589787ApriorityCriticalpatent/JPS6428909A/ja
Publication of JPS6428909ApublicationCriticalpatent/JPS6428909A/ja
Two-stage process for the production of anodically oxidized aluminum planar materials and use of these materials in manufacturing offset-printing plates