00265nam a2200121Ia 4500100002000000650001500020490000600035654001700041245001700058260004000075082001600115546001200131  aSherwood/ D.R.   aCarpentery  vI  aPiping guide  aPiping Guide  bSyentek bks Co.aSan Francissc1980  a621.8672she  aENGLISH