FR472938A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Wheels and floating rollers with grooves or lift-off vanes
Assignee: J SCHWEITZER ET CIE SOC
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Filing: 1914-05-09
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Granted: 1914-12-24
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Expires: 1934-05-09
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 23:20
CPC Classifications
B; B63; B63H; B63H1/00; B63H1/38
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