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“机械设计专利”栏目是中国专利局文献部分类文档处与本刊合作共办的。目的是适应改革开放形势的需要,为本刊读者及时利用专利文献提供方便,以推动科技进步。其中有文献号的项目,读者可到各省市科技信息部门联系索要。注明页数的,本刊可代为复印,每页收工本费1元。款到后即寄资料与发票。另外,天津市机械工业管理局专利事务所与本刊编辑部同在一个单位,读者有关专利事务可直接与本刊联系。对本栏有何意见欢迎读者及时批评、指正。
“Mechanical Design Patent” column is part of the Chinese Patent Office literature department documents co-run with the magazine. The purpose is to adapt to the needs of the situation of reform and opening up, to facilitate the timely use of patent documents for our readers to promote scientific and technological progress. Among them there are items of literature number, the reader can go to each province science and technology information department to ask for. Note the number of pages, this publication can be photocopied, each page closing fee of 1 yuan. After the payment to send information and invoices. In addition, the Tianjin Municipal Bureau of Machinery Industry Patent Office and the editorial department in the same unit, readers of the patent affairs can be directly linked with the magazine. Comments on this column welcome readers timely criticism, correct.