00446nam a2200109Ia 4500008004100000245010500041260001100146260004000157490003400197500004600231650005900277220217s9999    xx            000 0 und d 0aMethods of testing vulcanized rubber. Parts B1 to B5. Preparation of material and extraction methods  aLondon  c1958bBritish Standards Institution  aBritish Standards Institution  aStandard number: BS 903: Parts B 1 to B 5  aRubber vulcanized, material preparation and extraction