作者: Gustave A Overstrom , Overstrom Conrad , Overstrom George
DOI:
关键词: Object (grammar) 、 Engineering drawing 、 Subject (philosophy) 、 Balance (metaphysics) 、 Engineering 、 Structure (mathematical logic)
摘要: This invention relates to balanced screening structures. The object of the is provide a screen structure in which forces moving structures balance each other. A further shaking frames are subject non-reversible...