00309nam a2200109Ia 4500008004100000245006500041260000900106500002900115650002100144650001700165650001700182220217s9999    xx            000 0 und d 0aSpecification for rubber valve-tubing for cycle tube valves.  c1969  aStandard number: IS 5079  aCycle tube valve  aRubber valve  aValve tubing