TY - RPRT TI - Recommended minimum requirements for plumbing : report of subcommittee on plumbing of the building code committee revised August 30, 1928 AU - Whipple, George C AU - Carson, Harry Y AU - Hansen, August E AU - Groeninger, William C AU - Murphy, J L AU - Gries, John M AU - Thompson, George N AU - Hunter, R B PY - 1929 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS BH 13 DO - 10.6028/NBS.BH.13 ER -