000			00385nam a2200133Ia 4500
008			130225s9999 xx 000 0 und d
100			_aIndian Standards Institution
245			_aSpecification for porcelain insulators for telegraph and telephone lines
260			_aNew Delhi _c1951
300			_a0.875
440			_aIS-283; Indian Standards Inst
901			_a39819
942			_cB _2udc
999			_c7454 _d7454