Drilldown: Patents
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Patents > Year granted:
1901
& Grant date:
1900 - 1999
& IPCs :
IPC B64B1/00 or
IPC B64C33/00 or
IPC B64C33/02
& CPCs:
CPC B64B1/00
& First filing:
Yes
& Number of text pages:
2
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Showing below up to 1 result in range #1 to #1.