00454nam a2200181Ia 4500008004100000082000800041082000800049245011100057250000900168260003300177260000900210300000900219365000800228365001100236365000600247365000600253650001300259181031s9999    xx            000 0 und d  a697  bHAN  aHandbook on Functional Requirements of Industrial Buildings: lighting and ventilation (Reference Document)  a2nd.  bIndian Standards Institution  c1986  a59p.  b100  cRupees  d0  e0  aServices