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GB782131A
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Improvements in self-filling fountain pens
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GB717668A
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Improvements in ball-pointed pens
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GB679783A
|
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Improvements in nib sections for fountain pens
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GB685141A
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Improvements in propelling pencils
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GB665813A
|
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Improvements in or relating to fountain pens
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US2579342A
|
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Fountain pen
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GB635144A
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Improvements in or relating to fountain pens
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GB621822A
|
|
Improvements in or relating to fountain pens
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GB623767A
|
|
Improvements in or relating to fountain pens
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GB616010A
|
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Improvements in or relating to self-filling fountain pens
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GB595652A
|
|
Improvements in or relating to fountain pens
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|
GB527422A
|
|
Improvements in or relating to self-filling fountain pens
|
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GB514513A
|
|
Improvements in or relating to self-filling fountain pens
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GB474893A
|
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Improvements in or relating to stylographic pens
|
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GB480965A
|
|
Improvements in self-filling fountain pens
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GB480717A
|
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Improvements in or relating to propelling pencils
|
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GB479937A
|
|
Improvements in or relating to pencil holders
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US2056055A
|
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Self filling fountain pen
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US1954952A
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Fountain pen
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