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Display titleFile:Patent-CH-250922.pdf
Default sort keyPatent-CH-250922.pdf
Page length (in bytes)550
Page ID9792
Page content languageit - Italian
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Page creatorPiccardi (talk | contribs)
Date of page creation01:32, 30 January 2013
Latest editorPiccardi (talk | contribs)
Date of latest edit14:57, 14 June 2020
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Fatti riguardanti Patent-CH-250922.pdf
Application datemaggio 9, 1946 +
Application number250922 +
Assigned toOrlando Quadretti +
Invented byOrlando Quadretti +
Patent datesettembre 30, 1947 +
Patent descriptionPenna doppia +
Patent number250922 +
Patent titlePenna stilografica doppia +
Patented byColorado +
Patented inCH +
Priority dateagosto 14, 1939 +
Same invention ofFile:Patent-FR-923799.pdf +