一种用于盾构机的多级阶梯式扩孔刀盘
- Release Time:2025-04-30
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Title:
一种用于盾构机的多级阶梯式扩孔刀盘Disigner of the Invention:
魏正英，卢秉恒，耿麒，王永信，罗卫红Type of Patent:
InventApplication Number:
ZL201110435279.2Service Invention or Not:
NoApplication Date:
2011-12-16Date:
2025-04-30
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