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Patent-GB-478651.pdf +

Improvements in or relating to fountain pens +

Patent-GB-479937.pdf +

Improvements in or relating to pencil holders +

Patent-GB-480717.pdf +

Improvements in or relating to propelling pencils +

Patent-GB-480965.pdf +

Improvements in self-filling fountain pens +

Patent-GB-482097.pdf +

Improvements in and relating to writing implement having interchangeable leads +