Automatic railway-switch.

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US677007A Automatic railway-switch. 失效

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Patent Title: Automatic railway-switch.
Application No.: US1900038032

Application Date: 1900-11-28
Publication No.: US677007A

Publication Date: 1901-06-25
Inventor: WILSON JAMES NEWTON
Applicant: WILSON JAMES NEWTON
Assignee: James Newton Wilson
Current Assignee: James Newton Wilson
Priority: US1900038032 1900-11-28

Automatic railway-switch.

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