Patent US3997385A successfully refreshed from Google Patents.
DE486138C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for measuring inner surfaces on hollow bodies
Assignee: MARTHA HEDWIG KNAUER GEB KRASSELT
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Filing: —
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Granted: 1929-11-09
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Expires: 1946-11-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-24 14:19
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/30; A; A61; A61B; A61B1/00; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00096; A61B1/00163; A61B1/00174; A61B1/00179; G02; G02B; G02B23/00; G02B23/24; A61B1/06; A61B1/0615
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