000 00309nam a2200121Ia 4500
005 20251007104413.0
008 251006s9999 xx 000 0 und d
100 _afletcher,michael john
245 0 _aelectron beam welding. fletcher,michael john
260 _a1st.ed. | London
260 _c1971
942 _cBOK
999 _c6470
_d6470