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GB407870A
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Improvements in and relating to card indexes
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US1955592A
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Card index
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US1936546A
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Paper file
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GB377888A
|
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Improvements in and relating to changeable exhibitors
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GB368612A
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Improvements in and relating to apparatus for filing papers
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GB370717A
|
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Improvements in and relating to apparatus for filing papers
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US1845700A
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Changeable exhibitor
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US1887800A
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Filing leaf and label-holder therefor
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US1780735A
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Paper file
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US1815765A
|
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Paper file
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US1841330A
|
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File cabinet
|
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US1833882A
|
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File cabinet
|
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US1739202A
|
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Paper file
|
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US1626442A
|
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Filing and indexing equipment
|
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US1611333A
|
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Leaf-holding device
|
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GB205781A
|
|
Improvement in adjustable indexes
|
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GB205780A
|
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Improvements in methods of and means for making index slips
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|
US1525079A
|
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Adjustable index
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US1588037A
|
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Method of and means for making index slips
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US1646008A
|
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Index, memorandum, and reference equipment
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