Electrical resistance.

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US845997A Electrical resistance. 失效

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Patent Title: Electrical resistance.
Application No.: US1906319697

Application Date: 1906-06-01
Publication No.: US845997A

Publication Date: 1907-03-05
Inventor: BENECKE ADELBERT O
Applicant: AMERICAN INSTR COMPANY
Assignee: American Instr Company
Current Assignee: American Instr Company
Priority: US1906319697 1906-06-01

Electrical resistance.

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