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经营范围
发明名称
Method and apparatus for handling asphalt
摘要
申请公布号
US2311389(A)
申请公布日期
1943.02.16
申请号
US19410404812
申请日期
1941.07.31
申请人
SOCONY-VACUUM OIL COMPANY, INCORPORATED
发明人
HAWKS ROBERT C.;SKINNER EMORY M.
分类号
C10C3/16
主分类号
C10C3/16
代理机构
代理人
主权项
地址
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