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发明名称
INSTRUMENT FOR DETERMINING CAKING THREAT OF SURFACTANTS
摘要
申请公布号
SU1543075(A1)
申请公布日期
1990.02.15
申请号
SU19884400132
申请日期
1988.03.30
申请人
URALSKIJ VNII GORNOJ GEOMEKHANIKI MARKSHEJDERSKOGO DELA
发明人
STOROZHENKO ALEKSANDR G,SU;PROSKURYAKOV VLADIMIR M,SU
分类号
E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
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