000 00264nam a2200121Ia 4500
008 211209s1971 xx 000 0 und d
041 _aeng
082 _a621.8 N71 PAT/PAT
100 _aPATEL
245 _aMECHANICAL TECHNOLOGY
260 _c1971
300 _a443
999 _c14149
_d14149