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| - , 1973Priority dateJun 10, 1972Also published asDE2328746A1Publication numberUS 3829844 A, US 3829844A, US-A-3829844, US3829844 A, US3829844AInventorsJ Westhof, F ZonneveldOriginal AssigneePhilips CorpExport CitationBiBTeX, EndNote, RefManPatent Citations (2), Referenced by (16), Classifications (19) External Links: USPTO, USPTO Assignment, EspacenetInterrogation apparatus and method including a r
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