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发明名称
ACID SEALANTS OF UREA-FORMALDEHYDE FOR NON-CALCAREOUS FORMATIONS
摘要
申请公布号
CA722760(A)
申请公布日期
1965.11.30
申请号
CAD722760
申请日期
申请人
ALLIED CHEMICAL CORPORATION
发明人
GEORGE K. CLEEK;GEORGE S. LEACHMAN
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