DE Patent: 422,675 - With Fine Pointer Provided, in Particular Equipment Intended for Examining the Upward Gradient of Internal Thread


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DE Patent: DE-422,675

Mit Feinzeiger versehenes, insbesondere zum Pruefen der Steigung von Innengewinde bestimmtes Geraet
With Fine Pointer Provided, in Particular Equipment Intended for Examining the Upward Gradient of Internal Thread

Patentee:

Fried. Krupp Akt.Ges. (exact or similar names) - Essen, Ruhr Germany

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	Dec. 05, 1925

Patent Pictures:

Espacenet patent
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