首页>
外国专利>
INSTRUMENT FOR DRAWING SPIRALS OF ARCHIMEDES
INSTRUMENT FOR DRAWING SPIRALS OF ARCHIMEDES
展开▼
机译:AR药绘制图稿
展开▼
页面导航
摘要
著录项
相似文献
摘要
the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to u0447u0435u0440u0442u0435u0436u043du044bu043c devices u0434u043bu00a0 u0432u043eu0441u043fu0440u043eu0438u0437u0432u0435u0434u0435u043du0438u00a0 curves, in particular u043fu043eu0437u0432u043eu043bu00a0u0435u0442 spirals, and improve convenience in use. a turning lever 4 with u043fu043eu0434u043fu0440u0443u0436u0438u043du0435u043du043du044bu043c recording node 20 u0441u0432u00a0u0437u0430u043d with reference rod 2 u0448u0430u0440u043du0438u0440u043eu043c 24
展开▼