Piccardi
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Piccardi
{{PatentInfo |Inventor=Edmund M. Houston, William A. Houston |Assignee=Edmund M. Houston, William A. Houston |Country=US |ApplicationNum=221242 |ApplicationDate=1918-03-08 |PatentNum=1320393 |PatentDate=1919-11-04 |PriorityDate=1918-03-08 |Titolo=Fount...
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