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一种H型采煤工作面回采巷道布置方法
- Release time:2023-09-01
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第一单位Disigner of the Invention:
焦河喜,崔琦,杨兴国,缐桂宏,邓金平,李泽祥Type of Patent:
国内State of Patent:
专利授权Application Number:
202111077072.2Service Invention or Not:
noApplication Date:
2021-09-13Publication Date:
2021-11-19Authorization Date:
2022-05-20First Author:
QIAN Deyu
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