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Shadow Secretary of State
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1979-81
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Secretary of State for Northern Ireland
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1976-79
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Secretary of State for Defence
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1974-76
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Shadow Secretary of State
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1970-74
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President of the Board of Trade
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1969-70
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Minister (Ministry of Power)
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1968-69
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Postmaster General (Post Office)
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1968-68
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Minister of State (Ministry of Defence) (Defence Equipment)
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1967-68
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Minister of State (Board of Trade) (Shipping)
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1964-67
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