Letter dated 93/05/26 from the Permanent Representative of Canada addressed to the Secretary-General of the Conference on Disarmament transmitting a booklet entitled "Non-seismic technologies in support of a nuclear test ban".
标题Letter dated 93/05/26 from the Permanent Representative of Canada addressed to the Secretary-General of the Conference on Disarmament transmitting a booklet entitled "Non-seismic technologies in support of a nuclear test ban".
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