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发明名称
FRICTION LOSS REDUCING
摘要
申请公布号
US3451480(A)
申请公布日期
1969.06.24
申请号
USD3451480
申请日期
1967.04.19
申请人
CALGON CORP.
发明人
HERBERT J. ZEH JR.;ALAN E. BISCHOF
分类号
C09K3/00;C09K8/62;(IPC1-7):E21B43/26;F17D1/16;C08G15/00
主分类号
C09K3/00
代理机构
代理人
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