000			00337nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a444201068
082			_a672
082			_bWAT
100			_a"Watkins, W"
245		0	_aSheet Metal Fabrication
260			_aLondon
260			_bElsevier Pub.
260			_c1971
300			_a274
999			_c28269 _d28269