MTP696BMT696AMTP696AMTP696BMT P696 BMTP696 BMT P696BMT 696 AMT696 AMT 696AMT P696 AMTP696 AMT P696AMT P696 BMTP696 BMT P696B
Authority
MT
Malta
Prior art keywords
rotatable shutter
shutter
rotatable
Prior art date
Application number
MT696A
Inventor
Reginald William Dousett
Arthur Victor Sharaman
Original Assignee
Electric 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 Electric LtdfiledCriticalElectric Ltd
Priority to MT696ApriorityCriticalpatent/MTP696B/en
Publication of MTP696BpublicationCriticalpatent/MTP696B/en