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发明名称
Method of impregnating concrete bodies and porous ceramic products with bituminous material
摘要
申请公布号
US1937417(A)
申请公布日期
1933.11.28
申请号
US19300476726
申请日期
1930.08.20
申请人
WARREN BROTHERS COMPANY
发明人
WALLACE EDWIN C.
分类号
C10C3/14
主分类号
C10C3/14
代理机构
代理人
主权项
地址
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