Drilldown: Patents
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Patents > Year granted:
1910 - 1919
& Filing date:
April 6, 1914
& Publication date:
1914
& IPCs :
IPC B64C3/00 or
IPC B64C33/00
& Number of text pages:
2
& Number of figures:
2
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Showing below up to 1 result in range #1 to #1.