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经营范围
发明名称
Improvements in papermaker's felt
摘要
申请公布号
GB642788(A)
申请公布日期
1950.09.13
申请号
GB19480004302
申请日期
1948.02.13
申请人
RAYMOND JOSEPH LEE
发明人
分类号
D21F1/00
主分类号
D21F1/00
代理机构
代理人
主权项
地址
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