00308nam a2200097Ia 4500008004100000245009600041260000900137500003600146650000900182650001900191220217s9999    xx            000 0 und d 0aMethods of test for natural rubber. Part 1. Determination of dirt. NR: 1. (Second Revision)  c1985  aStandard number: IS 3660 Part 1  aDirt  aNatural rubber