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发明名称
WALL CONVEYOR REVERSIBLE DRIVE
摘要
申请公布号
PL109555(B1)
申请公布日期
1980.06.30
申请号
PL19770198149
申请日期
1977.05.14
申请人
发明人
分类号
B65G;E21F13/08;(IPC1-7):E21F13/08
主分类号
B65G
代理机构
代理人
主权项
地址
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