Apparatus for restoring worn-out reamers.

Invention Grant

US857877A Apparatus for restoring worn-out reamers. 失效

Title translation: 恢复WORN-OUT REAMERS的装置。

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Patent Title: Apparatus for restoring worn-out reamers.
Patent Title (中): 恢复WORN-OUT REAMERS的装置。
Application No.: US1907353736

Application Date: 1907-01-23
Publication No.: US857877A

Publication Date: 1907-06-25
Inventor: FETTER RALPH SNOWDEN
Applicant: FETTER RALPH SNOWDEN
Assignee: Ralph Snowden Fetter
Current Assignee: Ralph Snowden Fetter
Priority: US1907353736 1907-01-23

Apparatus for restoring worn-out reamers.

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