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发明名称
OIL WELL DRILLING FLUID
摘要
申请公布号
CA407949(A)
申请公布日期
1942.10.13
申请号
CAD407949
申请日期
申请人
AMERICAN CYANAMID COMPANY
发明人
ROBERT B. BOOTH;CHARLES F. BONNET
分类号
主分类号
代理机构
代理人
主权项
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