专利名称：BULB BASE
发明人：KAJITA HIROSHI,YAMAGUCHI MASARU 申请号：JP3248983
米斯特>更换申请日：19830228differentiated
九上英语作业本答案浙教版公开号：JPS59158049A自明
hd dvd
motherhood公开日：
radiant
19840907
专利内容由知识产权出版社提供
摘要：PURPOSE:To prevent a bulb ba from being stained by adhesion of dust by mixing a certain amount of an electrification preventive agent made of one kind of an ester system substance, polyether system substance and an amide system substance into a polybutylene telephthalate/resin. CONSTITUTION:A bulb ba is molded by using a thermoplastic resin, in which a very small amount of an electrification preventive agent made of an ester system, polyether system or amide system nonionic substance is mixed into a polybutylene telephtalate(PBT) resin. The amount of said mixture of not exceeding 0.5wt% shows no electrification preventive effect and even the adding not less than
保证英文6.0wt% does not change the preventive effect while when reaching 10wt%, molding properties of the PBT resin, for instance, fluidity grows and the molding mechanical properties change so that the mixing amount is limited to 0.5- 6.0wt%. Thereby, the bulb ba can be prevented from being stained due to adhesion of dust.
借贷记账法的优点
申请人：MATSUSHITA DENSHI KOGYO KK
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