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.)
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 株式会社関電工, 産興建設株式会社, 株式会社三和クリーンfiledCritical株式会社関電工
Priority to JP1988059798UpriorityCriticalpatent/JPH0613578Y2/ja
Publication of JPH01164616UpublicationCriticalpatent/JPH01164616U/ja
Application grantedgrantedCritical
Publication of JPH0613578Y2publicationCriticalpatent/JPH0613578Y2/ja
