专利名称：INTERNAL PUMP 发明人：OKADA AKIHISA 申请号：JP8812081
申请日：19810城市夜景
610
公开号：JPS57203898A
公开日：
19821214
专利内容由知识产权出版社提供
摘要：PURPOSE:To prevent corrosion in a hollow space between a stretch tube and a motor ca nozzle, by making purge water supplied from the outside of a motor ca快的反义词是什么
flow also through the hollow space between the stretch tube and the motor ca协议书范本格式
nozzle. CONSTITUTION:Purge water introduced into a motor ca nozzle 4a from a ction A is carried through a hole 13a and flows through hollow spaces B and C between a shaft 12 and a str二年级图画
etch tube 13, and at the same time, the purge water is also introduced into a hollow space F between the stretch tube 13 and the motor ca nozzle 4a. Purge water thus introduced into the hollow space F joins with purge water carried through a hole 13b via a groove formed near the top of the stretch tube 13, and then the purge water thus joined is carried to a ction D. By thus feeding clean water always t520送什么花
whole
o the ction F, it is enabled to prevent corrosion in the hollow space between the stretch tube 13 and the糯米可以蒸米饭吗
motor ca nozzle 4a.
申请人：HITACHI SEISAKUSHO KK
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