Drilldown: Patents
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Patents > Inventor country:
None
& Supplementary to patent:
Patent FR-1881-142748
& National tech categories :
FR 6.3 or
USPC 244/90R
& First filing:
No
& Number of text pages:
None
& Number of figures:
None
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Showing below up to 1 result in range #1 to #1.