Dec 31, 1991

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Jan 12, 1988

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Sep 01, 1987

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Dec 31, 1985

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Nov 01, 1983

Oct 13, 1983

Sep 30, 1983

Sep 02, 1983

Jun 16, 1983

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Dec 31, 1982

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Dec 31, 1982

Dec 31, 1982

Sep 26, 1982