【物理】适用于注册用的转动装置（机构）【物理】适用于注册用的转动装置（机构）

coin-actuated mechanism especially adapted for registering coin as

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coin actuating device, coin-actuated mechanism

coin-actuated mechanism especially adapted for registering coin as credit

coin-actuated memory especially adapted for registering coin, credit with change-giving

coin-actuated mechanism

coin-actuated mechanism especially adapted for registering coins as credit