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推拉式气动控制救灾门
- Release time:2020-10-30
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Disigner of the Invention:
wuzhengyan,何新建,刘文,王兰云Note:
吴征艳,何新建,刘文,王兰云Type of Patent:
国际State of Patent:
专利撤回Application Number:
200620170782.4Authorization number:
CN 200991686YNumber of Inventors:
5Service Invention or Not:
noApplication Date:
2006-12-22Authorization Date:
2007-12-19First Author:
jiangshuguang
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