DE466434C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the precise internal drawing of hollow bodies
Assignee: Siegener Eisenbahnbedarf AG
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Filing: —
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Granted: 1928-10-16
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Expires: 1945-10-16
Abstract
No abstract record available.
Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 21:59
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/16; B21C1/22; B21C1/24
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