TY - RPRT TI - Comparison of ISO 10303 Part 47 draft with ANSI and ISO tolerancing standards for harmonization and completion of Part 47 AU - Feng, Shaw C PY - 1992 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 4744 DO - 10.6028/NIST.IR.4744 ER -