Patent US3191731A successfully refreshed from Google Patents.
Patent FR817893A successfully refreshed from Google Patents.
FR817893A
Expired / Lapsed
FR
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Piston seal for internal combustion machines
Assignee: CESKOSLOVENSKA ZBROJOVKA A S BRNO
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Filing: 1937-02-16
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Granted: 1937-09-13
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Expires: 1957-02-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 10:39
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/12; F16J9/20
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