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pro vyhledávání: '"Mitsuyuki Ishikawa"'
Publikováno v:
The Journal of the Acoustical Society of America. 102:2477
A percussion hammer tool comprises a spindle 1 causing rotation about an axis thereof. The spindle 1 is driven by a motor M. A hammer 3, slidably coupled with the spindle 1, generates a percussion force to rotate and hit an anvil. The anvil is divide