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USPTO on Twitter: "#TDIH in 1894, #inventor C.B. King received a #patent for new and useful improvements in pneumatic tools, or compressed air hammers. https://t.co/ST5J8pTwhh" / X
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Numerical Analysis of a Small Pneumatic Hammer Performance Based on Evaluation Method of Friction Force
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DESIGN OF AN ENERGY-INTENSIVE PNEUMATIC HAMMER BASED ON THE PHYSICAL SIMULATION OF THE HAMMER–SOIL INTERACTION | SpringerLink
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