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Graham Corporation designs and manufactures mission-critical fluid, power, heat transfer, and vacuum technologies for the defense, space, energy, and process industries. The company also services and sells spare parts for its equipment. It designs and manufactures custom-engineered vacuum, heat transfer, cryogenic pump and turbomachinery technologies.
Invesco Municipal Opportunity Trust is a diversified, closed-end management investment company. The investment objective of the company is to provide common shareholders with a high level of current income exempt from federal income tax, consistent with preservation of capital.