Clinical Instrumentation Products Clinical Blood Analyzers and Accessories. Diffraction Gratings Hitachi offers both catalog and custom diffraction gratings for a wide range of scientific and industrial applications. Service and Support Our nationwide service organization is made up of factory trained service engineers and professional support staff located at 30 service locations throughout the United States. Our computerized call dispatching and tracking system assists in efficiently managing service activity and information. Inc. All rights reserved.
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