Revision history of "File:Patent-GB-374274.pdf"

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关于“Patent-GB-374274.pdf”的事实
Application date1931年6月10日 (三) +
Application number16939/31 +
Assigned toYves Zuber +
Invented byYves Zuber +
Patent date1932年6月9日 (四) +
Patent descriptionSistema di caricamento +
Patent number374274 +
Patent titleImprovements in or relating to reservoir pens +
Patented byStylomine +
Patented inGB +
Priority date1930年6月12日 (四) +
Same invention ofFile:Patent-FR-712327.pdf +
Used for featureBulb filler +