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一种综合机械化固体充填采煤顶板提前下沉量监测方法

Release time:2023-09-01 Hits:

School Sign:第一单位
Disigner of the Invention:zhangjixiong,梅贤丞,孙强
Type of Patent:国内
State of Patent:专利授权
Application Number:2016364117
Service Invention or Not:no
Application Date:2015-10-01
Authorization Date:2016-11-18
First Author:zhangqiang