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一九八三年,我所接修一台从美国进口的-100℃超低温冰箱,价值人民币5万元。机器的故障是第三单元电机烧坏(机组是封闭的),内部装有制冷剂 R_(1150)。由于我国还未生产出同类型号的制冷剂,用户曾向外商提出修理或购买,其答复是“这是我们的专利,只卖机器,不卖制冷剂,不属质量问题,不给修理”。在此期间,用户也曾向有关单位求援,但都表示无能为力。当我们接到求援来函时,机器已停放了三年之久。我们在修理过程中,不但顺利地回收了制冷剂,同时又对电机进行了修理,仅
In 1983, I received a -100 ℃ ultra-low temperature refrigerator imported from the United States, worth 50,000 yuan. The fault of the machine is that the third unit motor is burned out (the unit is closed) and the refrigerant R_ (1150) is installed inside. As China has not produced the same type of refrigerant, the user has to repair or purchase to foreign investors, the reply is “This is our patent, only sell machinery, do not sell refrigerants, is not a quality problem, not to repair.” During this period, users also sought help from the relevant agencies, but all said they could do nothing. When we received a request for assistance, the machine had been parked for three years. We repaired the process, not only successfully recovered the refrigerant, while the motor was repaired, only