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发明名称
摘要
申请公布号
BE551419(A)
申请公布日期
1956.10.15
申请号
BED551419
申请日期
申请人
发明人
分类号
B32B27/00;D21F5/00;D21G9/00
主分类号
B32B27/00
代理机构
代理人
主权项
地址
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