Changzhao Liu
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一种滚筒式采煤机先进截割传动系统开发测试平台
Release time:2021-09-25 Hits:
Disigner of the Invention: 郑勇,郭子涵,Changzhao Liu,Datong Qin,庞涛,孙承洁,Jianjun Hu
Type of Patent: Invent
State of Patent: 专利申请
Application Number: 201610107280.5
Service Invention or Not: no
Application Date: 2016-02-26