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经营范围
发明名称
Activated carbon products
摘要
申请公布号
US2448337(A)
申请公布日期
1948.08.31
申请号
US19440566389
申请日期
1944.12.02
申请人
LEONARD WICKENDEN
发明人
WICKENDEN LEONARD
分类号
A61M1/36;C01B31/10
主分类号
A61M1/36
代理机构
代理人
主权项
地址
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