Citizen Watch Company, Ltd.

Citizen Machinery Co., Ltd.

Yosuke Wada

Yosuke Ando

Koichi Yabe

Wataru Katagishi

A machine tool () includes a spindle () supported on a support surface () of a support body () with such an orientation that the longitudinal axis of the spindle extends along the support surface (). The spindle () is movable in a vertical direction that is perpendicular to the longitudinal axis of the spindle (). The support body () is provided with a ventilation hole () extending through the support body () between the support surface () and a surface () facing in the direction opposite to the support surface (), to open toward the spindle ().

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Kawagoe, Japan

Yosuke Wada