DE495322C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Winding drum with internally conical segment ring
Assignee: OTTO BOELTE
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Filing: —
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Granted: 1930-04-05
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Expires: 1947-04-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 08:30
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/28; B21C47/30
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References Cited (Backward Citations)
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