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Home › Bath and process for the phosphatization of metallic substrates, concentrates for the preparation of said bath and metallic substrates having been subjected to a treatment by said bath and process

Bath and process for the phosphatization of metallic substrates, concentrates for the preparation of said bath and metallic substrates having been subjected to a treatment by said bath and process

US Patent 6068709 · Granted May 30, 2000

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