Dry powder inhaler

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专利权人:

Iconovo AB

发明人:

Orest LASTOW,Lars ARVIDSSON

申请号：

SE1550964

公开号：

SE538845C2

申请日:

1964.12.22

申请国别(地区):

SE

年份:

2016

代理人:

摘要：

1,125,130. Boring earth wells. STABILATOR A.B. 10 Dec., 1965 [22 Dec., 1964], No. 52612/65. Heading E1F. A tube for cementing into a borehole has apertured walls for the outward flow of cement, the apertures being closed by resilent, preferably metallic, flaps on the outside of the tube. The tube may also be used for drilling the borehole.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/