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DE Patent: DE-72,039
Rahmenförmiger Schraubenschlüssel
Patentee:
P. Östergaard (exact or similar names) - Flensburg, Germany

USPTO Classifications:

Tool Categories:
wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Granted: Mar. 31, 1893
Antedated: Mar. 31, 1893

Patent Pictures:
German patent 72039 - composite edited image
Espacenet patent
Report data errors or omissions to steward Stan Schulz
German patent 72039 in ESPACENET
Description:
Stepped sizes within an overall tapering opening.

German patent Klasse 87 (a) Gruppe 6.

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