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.)
Hokushin Industries Corp
Tungaloy Corp
Original Assignee
Hokushin Industries Corp
Toshiba Tungaloy 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
Application filed by Hokushin Industries Corp, Toshiba Tungaloy Co LtdfiledCriticalHokushin Industries Corp
Priority to JP4850877ApriorityCriticalpatent/JPS53135088A/en
Publication of JPS53135088ApublicationCriticalpatent/JPS53135088A/en