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经营范围
发明名称
PAPER PULP FILLING AGENT
摘要
申请公布号
SU796292(A1)
申请公布日期
1981.01.15
申请号
SU19792742139
申请日期
1979.03.27
申请人
TSNII BUMAGI
发明人
GURYANOV VLADIMIR E,SU;SEMKINA LYUDMILA ,SU
分类号
D21H17/67;D21H17/00;D21H17/27;D21H17/36;D21H17/37;D21H17/66;(IPC1-7):21H3/66
主分类号
D21H17/67
代理机构
代理人
主权项
地址
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