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发明名称
WINNING RECEIVER ESPECIALLY FOR UNDERGROUND COAL MINES
摘要
申请公布号
PL112415(B1)
申请公布日期
1980.10.31
申请号
PL19770202384
申请日期
1977.11.23
申请人
发明人
分类号
B65G;B65G65/30;E21F13/00;(IPC1-7):B65G65/30
主分类号
B65G
代理机构
代理人
主权项
地址
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