Invention Grant US2735787A Process for pulverizing solid materials 失效 Basic information Please log in to see more content Basic information Please log in to see more content Process for pulverizing solid materials Patent Title: Process for pulverizing solid materials Application No.: US2735787D Application Date: Publication No.: US2735787A Publication Date: 1956-02-21 Main IPC: B02C19/00 IPC: B02C19/00 ; B02C21/00 Information query Espacenet IPC分类: B 作业；运输 B02 破碎、磨粉或粉碎；谷物碾磨的预处理 B02C 一般破碎、研磨或粉碎；碾磨谷物（用破碎、磨碎或碾磨方法制取金属粉末入B22F9/04） B02C19/00 其他粉碎装置或方法（用于谷物的入B02C9/00）
