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US4731283A Waterproof cloth and process for production thereof 失效
防水布及其制造方法

Waterproof cloth and process for production thereof
Abstract:
A waterproof cloth comprising a base cloth made of heat-resistant fibers having a fluorine resin adhering to their surface and a film of a fluorine resin fused integrally to at least one surface of the base cloth. The waterproof cloth can be produced by laying the film on the base cloth and heating them under pressure.
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