专利名称：FLUX FOR HARD SOLDER 发明人：ITO KORO
申请号：JP9783188
申请日：19880419
公开号：JPH01266989A
二年级下册语文书
公开日：
牙膏可以去黑头吗
手镯寓意
19891024
青马实践报告>复垦专利内容由知识产权出版社提供
摘要：PURPOSE:To form the flux solution uniformly coated without being repelled by the oil and fat sticked to the brazing ba metal face by making a boric acid and borax as a ba material and contg. an interfacial active agent. CONSTITUTION:The flux for a hard solder takes a boric acid and borax as the ba material and contains 0.01-3.0wt.% interfacial active agent and is ud by melting in a water or hot water. It is thus melted only in a water and hot water easily available and an uniform coating can be executed without any water repellent even for the ba metal face sticked with oil and fat.
四有党员申请人：KAKEN:KK
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