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不影响支护作业且可按预定路径破岩的偏心滚刀式掘进机
- Release time:2023-09-01
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School Sign:
第一单位Disigner of the Invention:
zhuzhencai,LIU SongyongType of Patent:
国内State of Patent:
专利授权Application Number:
RU2777772C1Service Invention or Not:
noApplication Date:
2020-04-14Authorization Date:
2022-08-09First Author:
jianghongxiang
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