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process for the preparation of tetraclorodiarile metani and their intermediates, tetraclorodiarilmetani so prepared and their use in the field dielectric.and diclorotoluene product as intermediate in the process.
process for the preparation of tetraclorodiarile metani and their intermediates, tetraclorodiarilmetani so prepared and their use in the field dielectric.and diclorotoluene product as intermediate in the process.