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CJ4型高效工夹具是工人发明家邹德骏所发明。这项成果产品由七种功能各异的工夹具组成,用在量大面广的中小型普通车床上,车床不需作任何改动就能提高工效1～20倍。国家经委、国家计委曾联合发文,把高效工夹具列入我国“七五”期间重点推广的新技术项目,要求在国内推广十万套。但由于当时缺少资金,也没有建立起可靠的生产基地,使这项成果的
The CJ4 type high efficiency fixture was invented by the inventor Zou Dejun. This result product consists of seven kinds of fixtures with different functions. It is used on large and medium-sized ordinary lathes. The lathe can be improved by 1 to 20 times without any changes. The State Economic Commission and the State Development Planning Commission have jointly issued a document to include high-efficiency fixtures in the new technology projects that have been promoted in China during the 7th Five-Year Plan period and require the promotion of 100,000 sets in China. However, due to the lack of funds at the time and the establishment of a reliable production base, the results of this