Payload Type Identifier Packet Type Identifier Payload Type Indicator Pipe Test Insert Palomar Testbed Interferometer Physical Training Instructor Plugging temperature indicator Polskie Towarzystwo Informatyczne Power Tool Institute Press Trust of India Public Technology, Inc. pancreatic trypsin inhibitor Penetrating Trauma Index Permanent Trailer Identification Permit to Install Personal Telecommunication Identity Polskiego Towarzystwa Informatycznego Post-Tensioning Institute Power Terrestrial Interface Preliminary Test Information Primary Terrestrial Interface Programmed Test Input Public Technology Institute pulsatility transmission index Parent Training and Information Parent Training and Information center Parent Training and Information Center… Patni Computer Systems Limited Payload Type Identifer PENNSYLVANIA TRANSPORT INSTITUTE
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