000 00318nam a2200121Ia 4500
008 220201s1974 xx 000 0 eng d
082 _bISI
100 _aISI
245 0 _aSpecification for double action floor springs without oil check in heavy doors
260 _aNew Delhi
_bISI
_c1974
300 _a9
942 _2ddc
999 _c20088
_d20088