Why pNBR?

[Bickerton, Roderic (SELEX GALILEO, UK)]

<http://geo.yahoo.com/serv?s=97359714/grpId=5029388/grpspId=1707285820/m
sgId=15292/stime=1242747465/nc1=1/nc2=2/nc3=3>  Why pNBR, as it covers
bells internationally? 
I am shortly visiting all ringable towers in new zealand and OZ, Its a
bit "odd" asking for information for a UK national bell register. 
A bit of a "tip of the iceburg" question, as we are never likly to list
the zillians of non ringing bells across the world, and its not
perminantly going to be a register containing only ringing bells. 
Its not British bells register as we have started hanging imported
bells. 
I cannot think what it could be called that is a "whats in the tin"
title.

 Anny suggestions? 

SELEX Sensors and Airborne Systems Limited
Registered Office: Sigma House, Christopher Martin Road, Basildon, Essex SS14 3EL
A company registered in England & Wales.  Company no. 02426132
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