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经营范围
发明名称
Method of preparing artificial sponges
摘要
申请公布号
US2346201(A)
申请公布日期
1944.04.11
申请号
US19390311910
申请日期
1939.12.30
申请人
GEORGES VAUTIER LEON PIERRE
发明人
VAUTIER LEON PIERRE GEORGES
分类号
B29C44/00
主分类号
B29C44/00
代理机构
代理人
主权项
地址
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