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Takayama; Atsushi
Hadano, JP
No. of patents:

Patent Number Title Of Patent Date Issued
5909781 Power-assisting device for a bicycle and a bicycle equipped with the same June 8, 1999
A power-assisting device for use with a bicycle includes a hollow shaft which is adapted to be rotatably supported in a hanger lug of the bicycle. The hollow shaft is restricted to movement along a rotation center line thereof, and has (i) a first end portion adapted to be projected out

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