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(-)发明专利批准数1.极高真空分离规申请号851005705陈洪元、唐政清、陆祖宏批准号第2982号,89.7.26.
(-) Number of Invention Patents Approved 1. Extremely High Vacuum Separation Gage Application No. 851005705 Chen Hongyuan, Tang Zhengqing, Lu Zuhong Approval No. 2982, 89.7.26.