Drilldown: Patents
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Patents > Office :
CA or
DE or
SAX
& Assigned to:
L W F Engineering Company
& National tech categories :
DE 77h.5 or
IT 8
& IPCs :
IPC B64C17/00 or
IPC B64D35/08
& Number of text pages:
3-70
& Number of diagram pages:
1-2
& Number of figures:
4-7
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