U.S. PATENT CLASSIFICATION DEFINITIONS: CLASS 352, OPTICS: MOTION PICTURES U.S. PATENT CLASSIFICATION DEFINITIONS: CLASS 352, OPTICS: MOTION PICTURES
Data source
Japan Atomic Energy Agency's Library Catalog
A search system for the collections of the Japan Atomic Energy Agency central library. Books, reports, meeting materials, magazines and dockets collected by the library are searchable.
Last updated
September 5, 2022