000			00325nam a2200121Ia 4500
008			220217s9999 xx 000 0 und d
245		0	_aTesting of elastomers. Torsional vibration test.
260			_c1969
500			_aStandard number: DIN 53 520
650			_aElastomers
650			_aTorsional vibration test
942			_cST
999			_c73328 _d73328