硫化橡胶或热塑性橡胶撕裂强度的测定(裤形、直角形和新月形试样)
Rubber,vulcanized or thermoplastic-Determination of tear strength(Trouser,angle and crescent test pieces)
Rubber,vulcanized or thermoplastic-Determination of tear strength(Trouser,angle and crescent test pieces)
Rubber,vulcanized-Determination of low-temperature brittleness-Single test piece method
Rubber,vulcanized or thermoplastic-Determination of compression set Part 1:At ambient or elevated temperatures
Rubber,vulcanized or thermoplastic-Determination of tensile stress-strain properties
Powder extinguishing agent
Portable fire extinguishers-Part 1: Performance and construction
Combustible gas detectors-Part 2:Household combustible gas detectors
Electric bicycles-cell or battery and chargersPart 3: Li-ion batteries and chargers
Lithium-ion battery for electric bicycle
Valve-regulated lead-acid batteries for moped-Part 1:Technical conditions