File:Patent-GB-495419.pdf
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Dettagli
Inventor |
Arthur E. Andrews |
---|---|
Assignee |
The Mentmore Manufacturing Company Limited |
Country |
GB |
Application N° |
13721/37 |
Application Date |
1937-05-14 |
Patent N° |
495419 |
Brevettato |
1938-11-14 |
Priorità |
1937-05-14 |
Brand | |
Title |
Improvements relating to propelling pencils |
Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica.
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current | 00:52, 28 November 2013 | ![]() | 1,295 × 1,752, 4 pages (344 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Arthur E. Andrews |Assignee=The Mentmore Manufacturing Company Limited |Country=GB |ApplicationNum=13721/37 |ApplicationDate=1937-05-14 |PatentNum=495419 |PatentDate=1938-11-14 |PriorityDate=1937-05-14 |Titolo=Improvements relati... |
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