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Method for production of fibrous sheet material and apparatus for carrying out the same

US Patent 4263241 · Granted Apr 21, 1981

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Apparatus for production of fibrous sheet material1982
Apparatus for production of fibrous sheet material1982
Apparatus for production of fibrous sheet material1982
Apparatus for production of fibrous sheet material1982
Apparatus for production of fibrous sheet material1982
Apparatus for production of fibrous sheet material1982