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发明名称
Improvements in double-chain scraper conveyors
摘要
申请公布号
GB724112(A)
申请公布日期
1955.02.16
申请号
GB19520007119
申请日期
1952.03.19
申请人
ADELE OELLRICH
发明人
分类号
B65G19/28
主分类号
B65G19/28
代理机构
代理人
主权项
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