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经营范围
发明名称
Improvements in or relating to industrial furnace covers
摘要
申请公布号
GB760888(A)
申请公布日期
1956.11.07
申请号
GB19540030899
申请日期
1954.10.26
申请人
HERMANN ROMER
发明人
分类号
C21D9/70
主分类号
C21D9/70
代理机构
代理人
主权项
地址
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