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发明名称
Hard-paper material and improvements in the treatment thereof
摘要
申请公布号
GB318490(A)
申请公布日期
1930.12.01
申请号
GB19290026361
申请日期
1929.08.29
申请人
H. ROMMLER AKTIENGESELLSCHAFT
发明人
分类号
D21J1/16;H01B3/48
主分类号
D21J1/16
代理机构
代理人
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