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前言 为了发展我国光学工业,加速社会主义建设,进一步贯彻执行毛主席“备战、备荒、为人民”的伟大战略方针,我们根据全国有关生产、使用和科研单位的迫切需要,于1973年8月试制 GDM-450BN高真空多层镀膜设备。在批林批孔运动的推动下,在上级党委的关怀下,我厂广大职工认真学习?
Preface In order to develop our country’s optical industry, speed up the construction of socialism and further implement Chairman Mao’s great strategic guideline of “preparing for war, preparing for war and for the people,” we piloted the system in August 1973 in accordance with the urgent needs of the relevant manufacturing, using and scientific research institutes across the country. GDM-450BN high vacuum multi-layer coating equipment. Under the impetus of the pro-Lin Pok campaign, under the care of the higher party committee, the vast majority of our factory workers study conscientiously?