TY - RPRT TI - Examination of type 431 stainless steel alloy t-bolts used in Marman V-band couplings AU - Gerhold, W F PY - 1966 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 9417 DO - 10.6028/NBS.RPT.9417 ER -