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经营范围
发明名称
Improved manufacture of composite paper
摘要
申请公布号
GB418253(A)
申请公布日期
1934.10.22
申请号
GB19330025351
申请日期
1933.09.13
申请人
INTERNATIONAL BITUMEN EMULSIONS CORPORATION
发明人
分类号
D21F11/04
主分类号
D21F11/04
代理机构
代理人
主权项
地址
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