求翻译：6. Exclusions. This Confidentiality Agreement imposes no obligations upon Keyence with respect to any Information that: (a) was known to Keyence prior to receipt from GT, which prior knowledge can be established by competent written or other tangible proof; (b) is now available to the public, or which in the future becomes available to the public through no fault of Keyence; (c) is disclosed to Keycncc at any time by a tliird party having the light to make such disclosure to Keyence and without any obligation of confidence on the part of Keyence to such third party with respect to such disclosure; (d) is disclosed by Keyence with GT's prior written consent; (e) is released from its confidential status with GT's prior written consent; or (f) is independently developed by Keycncc without use of the Information disclosed hereunder as evidenced by contemporaneous written records. For purposes of this Confidentiality Agreement, Information shall not be deemed to be available to the public merely because individual elements thereof may be separately found to be available to the public.是什么意思？

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