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FR646958A
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FR
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Hermetic closure with mercury seal for multi-part metal containers in which a high vacuum prevails
Assignee: BROWN
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Filing: 1928-01-11
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Granted: 1928-11-19
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Expires: 1948-01-11
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 21:00
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/30; H01J2893/00; H01J2893/0033; H01J2893/0047
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