@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024778, author = {山口, 文之助}, issue = {11}, journal = {生産研究}, month = {Nov}, note = {application/pdf}, pages = {453--453}, title = {論説 : 合成樹脂工業の發展と生産技術}, volume = {2}, year = {1950} }