000 00478nam a2200157Ia 4500
008 170101s1970 xx 000 0 und d
082 _a389.6 IS:5516
100 _aIndian Standards Institution
245 0 _aSpecification for variable flow type air-permeabiltiy apparatus (blaine type)
260 _bNew Delhi
_c1970
300 _a7p
440 _aIS:5516-1967
650 _aBUILDING MATERIALS - PERMEABILTY
653 _aBUILDING MATERIALS - PERMEABILTY
942 _2ddc
_cB
999 _c54611
_d54611