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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
Filing date
Publication date
Application filed by BICC PLCfiledCriticalBICC PLC
Application grantedgrantedCritical
Publication of AU750646ApublicationCriticalpatent/AU750646A/en
Publication of AU135627B2publicationCriticalpatent/AU135627B2/en
AU7506/46A1946-10-17Improvements in machines for joining sheet material bythe heating effect of electric stress alternating at high frequency
ExpiredAU135627B2
(en)