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Vehicle fleet management
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Credit card processing for a vehicle fleet
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Means for preserving grain in storage
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Method of preserving grain in storage
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High frequency method of and apparatus for exterminating insect life in seed or grain or other materials
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Method of and apparatus for treating grain for extermination of insect life therein
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Method of and apparatus for treating grain for extermination of insect life therein
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Method of and apparatus for treating materials for the destruction of insect life therein
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Window operating device
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Window operating device
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Train-lighting system
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