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经营范围
发明名称
Processing of bituminous sands
摘要
申请公布号
US2957818(A)
申请公布日期
1960.10.25
申请号
US19580781652
申请日期
1958.12.19
申请人
UNION OIL COMPANY OF CALIFORNIA
发明人
FISCHER PAUL W.
分类号
C10G1/04
主分类号
C10G1/04
代理机构
代理人
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地址
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