BS-0903 (Part D1 & D2) - 1957; Methods of testing vulcanized rubber Parts D1 and D2 determination of plastic yield of ebonite

BS-0903 (Part D1 & D2) - 1957; Methods of testing vulcanized rubber Parts D1 and D2 determination of plastic yield of ebonite - London BSI 1957 - 7p

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