@misc{1172091, author = {Rolla E Pollard and Raymond E Jager}, title = {United States patents on powder metallurgy/:}, year = {1947}, month = {1947-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.MP.184}, language = {en}, }