drilling machinery

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Dr. Martin Luther King Jr. addresses marchers during his "I Have a Dream" speech at the Lincoln Memorial in Washington. August 28th 1963

Was Martin Luther King, Jr., a Republican or a Democrat?

drilling machinery: Related Content

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rotary drill air drill drifter drill hammer drill piston drill rock drill stoper drill machine drilling typesetting machine sawing machine sewing machine calender farm machinery knitting machine Fourdrinier machine spinning jenny carding machine spinning mule

Key People

Alfred Brandt

German engineer

Germain Sommeiller

French engineer