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综合机械化充填采煤区顶板动态监测仪

Release time:2024-05-28 Hits:

Disigner of the Invention:zhangjixiong,夏炜阳,lijian
State of Patent:专利授权
Application Number:2015263689
Number of Inventors:4
Service Invention or Not:no
Application Date:2015-05-13
Authorization Date:2016-09-22
First Author:ZQ