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经营范围
发明名称
RETORT
摘要
申请公布号
CA348008(A)
申请公布日期
1935.02.05
申请号
CAD348008
申请日期
申请人
THE COAL PRODUCTS COMPANY OF DELAWARE;THE INTERNATIONAL BITUMENOIL CORPORATION
发明人
JAMES NEWTON VANDEGRIFT
分类号
主分类号
代理机构
代理人
主权项
地址
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