求翻译：6. Exclusions. Tliis Confidentiality Agreement imposes no obligations upon Seidenader widi respect to any Information diat (a) was known to Seidenader prior to receipt from GT, which prior knowledge can be established by competent written or odier tangible proof; (b) is now available to die public, or which in the future becomes available to die public tlirough no fault of Seidenader; (c) is disclosed to Seidcnader at any time by a diird party having die right to make such disclosure to Seidcnader and without any obligation of confidence on die part of Seidenader to such diird party widi respect to such disclosure; (d) is disclosed by Seidenader widi GT's prior written consent; (c) is released from its confidential status widi GTs prior written consent; or (f) is independendy developed by Seidenader without use of die Information disclosed hereunder as evidenced by contemporaneous written records. For purposes of diis Confidentiality Agreement, Information shall not be deemed to be available to die public merely because individual elements diereof may be separately found to be available to die public.是什么意思？

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