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[1](7s)：1950 office phone selector: running;[2](8s)：1950 office phone selector: running;[3](6s)：antique call router;[4](17s)：antique call router下载 收藏电话(telephone) / 继电器(relay)x1倍举报
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old [1](35s)：phone relay: master timer;[2](44s)：office phone bay relay timing mechanism;[3](63s)：office phone interrupter bay relay mechanism下载 收藏电话(telephone) / 继电器(relay)x1倍举报
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antique navy battleship phone system: relay [1](1s)：clicks;[2](1s)：clicks;[3](1s)：clicks;[4](1s)：click下载 收藏电话(telephone) / 继电器(relay)x1倍举报
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原产登记册的旧手机[1](52s);[2](70s);[3](93s)下载 收藏电话(telephone) / 继电器(relay)x1倍举报
