00399nam a2200169Ia 4500008004100000082001200041082000800053245007800061250001300139260003100152260000600183300000900189365000600198365000600204365000600210650001300216181031s9999    xx            000 0 und d  a720.284  bIND  aIndian Standard Code of Practice for Architectural and Building Drawings.  a3rd rev.  bIndian Standards Institute  c0  a74p.  b0  d0  e0  aGraphics