prov:value
| - It has been found, remarkably enough, that by interleaving or alternating laminations of thermoplastic type composition material, such as rubberized Nylon, tetrafluoroethylene, acrylics, and the like, with such materials as thermosetting laminations of rubberized cotton, asbestos, fiber glass, and the like, are highly effective in achieving the objectives above set forth.
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