DD

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DD

1. ISO 3166-1 alpha-2 code for East Germany prior to its reunification with West Germany. This was the code used in international transactions to and from bank accounts in East Germany.

2. ISO 3166-2 geocode for East Germany. This was used as an international standard for shipping to East Germany.

In both cases, the code is obsolete.
References in periodicals archive ?
The two methods do have differences, such as both wavelets become linked together in quite different manners, the degree of freedom in dual tree DWT design is less than that of double density DWT and filter bank structure is distinct from each other.
"Our new double density connector range, that goes from a 5-pin variant in our Autosport Ultra connector right through to the 14-64, which helps incorporate the electronics and reduces the actual box size, means that we are helping to support the industry in the drive for smaller wire size.