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Patents for inventions
by Great Britain. Patent Office.
First Published
2009
Subjects
Automobiles
Bicycles
Bookbinding
Clocks and watches
Hydraulic machinery
Hydraulics
Musical instruments
Musical inventions and patents
Paper
Patents
Photography
Pins and needles
Printing
Printing machinery and supplies
Velocipedes
Wheels
Milling machinery
Flour mills
Manufacture and refining
Sugar