• Ceylon Government Gazette, Part - I : Section - III, Trade Mark & Patent Notice, No. 14601, December 31 Friday, 1965 

  Government of Ceylon (Ceylon Government Printer, 1965-12-31)
• Ceylon Government Gazette, Part - I : Section - III, Trade Mark & Patent Notice, No. 14593, December 24 Friday, 1965 

  Government of Ceylon (Ceylon Government Printer, 1965-12-24)
• Ceylon Government Gazette, Part - I : Section - III, Trade Mark & Patent Notice, No. 14587, December 17 Friday, 1965 

  Government of Ceylon (Ceylon Government Printer, 1965-12-17)
• Ceylon Government Gazette, Part - I : Section - III, Trade Mark & Patent Notice, No. 14581, December 10 Friday, 1965 

  Government of Ceylon (Ceylon Government Printer, 1965-12-10)
• Ceylon Government Gazette, Part - I : Section - III, Trade Mark & Patent Notice, No. 14576, December 03 Friday, 1965 

  Government of Ceylon (Ceylon Government Printer, 1965-12-03)

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