US PATENT SUBCLASS 73 / 157
RECORD STRIP SPROCKET HOLE TESTING
Current as of:
June, 1999
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MEASURING AND TESTING
157
RECORD STRIP SPROCKET HOLE TESTING
DEFINITION
Classification: 73/157
(under the class definition) Subject matter for verifying the sprocket apertures of picture films and record strips.
SEE OR SEARCH THIS CLASS, SUBCLASS:
156, for verifying statistical card records and see the notes thereto.
