Patent NL7309840A successfully refreshed from Google Patents.
NL7309840A
Expired / Lapsed
NL
⏱️ 0.0 years remaining
PROCESS FOR FORMING HOLES IN A THIN PLATE, ESPECIALLY FOR THE MANUFACTURE OF SHADOW MASKS FOR COLOR TV PICTURE TUBES.
Assignee: Philips Nv
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Filing: 1973-07-16
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Granted: —
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Expires: 1993-07-16
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
NL
Data Source
google_patents
Last Synchronized
2026-10-26 12:25
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/14; H01J9/142; C; C23; C23F; C23F1/00; C23F1/02
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