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ZIRCON INT INC

US3 patents

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US5083383AJan 28, 1992

Electronic capacitance level with automatic electrode selection

ZIRCON INT INC58 citations95

US4942668AJul 24, 1990

Digital inclinometer

ZIRCON INT INC97 citations95

US4827624AMay 9, 1989

Electronic level

ZIRCON INT INC8 citations68