Guard-rail clamp.

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US938848A Guard-rail clamp. 失效

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Patent Title: Guard-rail clamp.
Application No.: US1909485369

Application Date: 1909-03-24
Publication No.: US938848A

Publication Date: 1909-11-02
Inventor: HALL GEORGE L
Applicant: NAT RAILWAY MATERIALS COMPANY
Assignee: Nat Railway Materials Company
Current Assignee: Nat Railway Materials Company
Priority: US1909485369 1909-03-24

Guard-rail clamp.

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