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发明名称
CHAIN-TYPE SCRAPER CONVEYOR FOR UNDERGROUND WINNING WORKNYKH RABOT
摘要
申请公布号
PL117236(B1)
申请公布日期
1981.07.31
申请号
PL19790217791
申请日期
1979.08.16
申请人
发明人
分类号
B65G19/28;(IPC1-7):B65G19/28
主分类号
B65G19/28
代理机构
代理人
主权项
地址
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