Conical bit rotation as a function of selected cutting parameters

An edition of Conical bit rotation as a function of selected cutting parameters (1985)

Conical bit rotation as a function of selected cutting parameters

By Carl F. Wingquist

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Publish Date

1985

Publisher

U.S. Dept. of the Interior, Bureau of Mines

Language

eng

Pages

Description:

subjects: Bits (Drilling and boring), Coal mining machinery, Testing