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.)
Welfide Corp
Original Assignee
Welfide Corp
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 JP55182374Aexternal-prioritypatent/JPS57105417A/en
Priority claimed from JP56058963Aexternal-prioritypatent/JPS57172918A/en
Priority claimed from JP56110595Aexternal-prioritypatent/JPS5811522A/en
Priority claimed from JP56112565Aexternal-prioritypatent/JPS5813618A/en
Application filed by Welfide CorpfiledCriticalWelfide Corp
Priority claimed from PCT/JP1981/000393external-prioritypatent/WO1982002203A1/en
Application grantedgrantedCritical
Publication of DE3174370D1publicationCriticalpatent/DE3174370D1/en