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发明名称
WELAN GUM IN CEMENT COMPOSITION
摘要
Cement compositions, i.e., mortar, structured concrete, pre-cast concrete, and oilfield cement, comprising 0.01 - 0.9% (wt/wt) welan gum are described.
申请公布号
JPS63315547(A)
申请公布日期
1988.12.23
申请号
JP19880109273
申请日期
1988.05.06
申请人
MERCK & CO INC
发明人
FUROIDO ERU AREN;GUREN ETSUCHI BESUTO;TOOMASU EE RINDOROSU
分类号
C04B28/02;C04B24/38;C04B103/46;C08B37/00;C12P19/04
主分类号
C04B28/02
代理机构
代理人
主权项
地址
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