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1993年2月18日,由辽宁省公安厅科技进步委员会主持,聘请中国刑警学院、沈阳市公安局、丹东市公安局等单位的6位文检、痕迹检验方面的专家、教授,对辽宁省刑科所研制的“金属表面冲压字迹显现箱”(JBCZ显现箱)进行了技术鉴定。该箱是根据实际办案需要而研制的,主要针对在盗窃自行车、摩托车、汽车等案件中,经常出现车架号、发动机号被锉掉,而检材体积大,送检不方便,有时要进行拆卸,不仅破坏了原物,而且对及时破案,揭露犯罪带来不便的情况研制的。该箱的研制成功,为基层办案提供了价格低廉,操作简便,效果理想的检验工具。该箱可对钢、铝、铜、铁4种材质上的冲压字迹进行显现,并提供了3种显现方法。目前已开始批量生产。
February 18, 1993, chaired by the Liaoning Provincial Public Security Bureau of Science and Technology Progress Committee, hired China Criminal Police College, Shenyang Public Security Bureau, Dandong City Public Security Bureau and other units of six literary inspection, trace inspection experts, professors, Liaoning Province Criminal Branch developed “metal surface stamping handwriting box” (JBCZ appearance box) for technical appraisal. The box is based on the actual needs of the case and developed, mainly in the theft of bikes, motorcycles, cars and other cases, the frame number often appears, the engine number is filed out, and the sample volume is large, the delivery is not convenient, and sometimes Demolition, not only destroyed the original, but also promptly solve the case, exposing the inconvenience of crime developed. The successful development of the box for the grass-roots case handling provides a low price, easy to operate, the effect of the ideal test tool. The box on the steel, aluminum, copper, iron stamping four kinds of material on the show, and provides three kinds of presentation methods. Has begun mass production.