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经营范围
发明名称
Petroleum plastic
摘要
申请公布号
US1989045(A)
申请公布日期
1935.01.22
申请号
US19310559349
申请日期
1931.08.25
申请人
UNION OIL COMPANY OF CALIFORNIA
发明人
MERRILL DAVID R.
分类号
C10C3/00;C10G21/00
主分类号
C10C3/00
代理机构
代理人
主权项
地址
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