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Historical patents

Technological Inventions 1850 - 1899

Metadata: Verbesserung an unterirdischen elektrischen Leitungen

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Shelfmark:
32/001545
granted on:
1882-09-06
Title:
Verbesserung an unterirdischen elektrischen Leitungen
Inventor:
Richardson, George
Key:
1882/004784
Place of publication:
Philadelphia
Country:
United States of America
Class:
21 - Elektrische Apparate, Telegraphie und Telephonie
Collection:
General
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