发明授权
US4532817A Tuning shaft of pushbutton tuner 失效
按钮调谐器调谐轴

Tuning shaft of pushbutton tuner
摘要:
A tuning shaft for use in switch type pushbutton tuners wherein a clutch shaft portion configured in a regular polygon in its section is formed integrally with the tuning shaft portion as extending from the front end of the tuning shaft portion.
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