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经营范围
发明名称
Absorbent material and process of making the same
摘要
申请公布号
US2033698(A)
申请公布日期
1936.03.10
申请号
US19330674411
申请日期
1933.06.05
申请人
E. D. BULLARD COMPANY
发明人
JR. JOHN FINN,
分类号
A62B23/02
主分类号
A62B23/02
代理机构
代理人
主权项
地址
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