Patent FR891502A successfully refreshed from Google Patents.
FR891502A
Expired / Lapsed
FR
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Process for developing heliographic prints and installation used for this purpose
Assignee: Koninklijke Philips NV
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Filing: 1943-02-24
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Granted: 1944-03-09
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Expires: 1963-02-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 18:36
CPC Classifications
G; G03; G03D; G03D5/00; G03D5/06; G03D5/067
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