In the Matter of the Application of the United States of America for an Order Authorizing the Installation of a Pen Register or Touch-Tone Decoder and a Terminating Trap. Appeal of Bell Telephone Company of Pennsylvania. In the Matter of the Application of the United States of America for an Orderauthorizing the Installation of a Pen Register or a Touch-Tone Decoder Andtermination Trap Facilities. Appeal of Bell Telephone Company of Pennsylvania. In the Matter of the Application of the United States for an Order Authorizinga Telephone Tracer. Appeal of New Jersey Bell Telephone Company, 610 F.2d 1148, 3rd Cir. (1979)
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