00301nam a2200097Ia 4500008004100000245008900041260000900130500003600139650000900175650001900184220217s9999    xx            000 0 und d 0aMethods of test for natural rubber. Part I. Determination of dirt. (Third Revision).  c1999  aStandard number: IS 3660 Part I  aDirt  aNatural rubber