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ZANTHOXYLUM MYRIACANTHUM VAR. PUBESCENS ESSENTIAL OIL AND APPLICATION THEREOF IN PREPARATION OF DRUG FOR TREATING DIABETES
专利权人:
Affiliated Xishuangbanna Tropical Botanical Garden Chinese Academy of Science
发明人:
Ping ZHANG,Dahab MAHMOUD,YouKai XU,Huabin HU,Juan GUO
申请号:
US15844567
公开号:
US20180104298A1
申请日:
2017.12.17
申请国别(地区):
US
年份:
2018
代理人:
摘要:
The invention relates to a pneumatic brake release apparatus used on an elevator traction machine. By means of the technical solution, the air films in the air cabin are pushed by using compressed air to drive the push rod to transfer a thrust force, so that the locking arms are unfolded, and the locking brake and the brake release are implemented in a pneumatic way. Therefore, the problems in the prior art that a great amount of electric energy is consumed and the noise is difficult to eliminate can be solved, no noise is generated during operation, the safety is high, the structure is simple and the manufacturing cost is greatly reduced.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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