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发明名称
Cement mixer
摘要
申请公布号
US2147053(A)
申请公布日期
1939.02.14
申请号
US19370141239
申请日期
1937.05.07
申请人
HALLIBURTON OIL WELL CEMENTING COMPANY
发明人
OWSLEY WILLIAM D.
分类号
B01F7/00
主分类号
B01F7/00
代理机构
代理人
主权项
地址
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