Denso Japan description of the catalogue:

The spare parts catalogue DENSO contains the information on spare parts for automobile and the lorries special and industrial technics, technical equipment. The program on one CD Is delivered. Work from CD and full installation on HDD is possible.
Allows to search for details according to the automobile or models of the engine, under original number, under number DENSO, is cross-refferense as under number spare parts it is possible to look the list of engines on which she{*it*} was applied.