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发明名称
MUDFLUSH PREPARATION
摘要
申请公布号
CA347384(A)
申请公布日期
1935.01.08
申请号
CAD347384
申请日期
申请人
THE SHELL DEVELOPMENT COMPANY
发明人
PIETER VAN CAMPEN
分类号
主分类号
代理机构
代理人
主权项
地址
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