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发明名称
摘要
申请公布号
DE8707263(U1)
申请公布日期
1987.08.27
申请号
DE19870007263U
申请日期
1987.04.07
申请人
RUHRKOHLE AG, 4300 ESSEN, DE
发明人
分类号
F28G1/08;(IPC1-7):F28G1/08
主分类号
F28G1/08
代理机构
代理人
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