| 摘要 |
A dual phone arrangement allowing two persons to simultaneously listen and talk during the same telephone conversation which includes a pair of telephones connected back-to-back each having a receiver and a transmitter; electrical wires connecting each telephone to each other and to an external telephone line and dialing instrument; and a tubular member interposed between said pair of telephones to provide support for the same on an external stand which may be a shoulder support or a free-standing unit.
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