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经营范围
发明名称
COUPLING PROCESS
摘要
申请公布号
GB9020097(D0)
申请公布日期
1990.10.24
申请号
GB19900020097
申请日期
1990.09.14
申请人
ETHYL CORPORATION
发明人
分类号
C07C2/72
主分类号
C07C2/72
代理机构
代理人
主权项
地址
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