Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hachinhe Co Ltd
Mesco Inc
Mitsui Mining and Smelting Co Ltd
Original Assignee
Hachinohe Smelting Co Ltd
Mitsui Mining and Smelting Co Ltd
Mitsui Kinzoku Engineering Service Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2379376Aexternal-prioritypatent/JPS52107233A/en
Priority claimed from JP218077Aexternal-prioritypatent/JPS5387936A/en
Application filed by Hachinohe Smelting Co Ltd, Mitsui Mining and Smelting Co Ltd, Mitsui Kinzoku Engineering Service Co LtdfiledCriticalHachinohe Smelting Co Ltd
Application grantedgrantedCritical
Publication of AU495229B2publicationCriticalpatent/AU495229B2/en
Publication of AU2282077ApublicationCriticalpatent/AU2282077A/en