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经营范围
发明名称
METHOD OF PRODUCING CASTABLE STONE PIPES
摘要
申请公布号
SU1333583(A1)
申请公布日期
1987.08.30
申请号
SU19843753109
申请日期
1984.06.18
申请人
INST PROBLEM LITYA AN USSR
发明人
BYKOV ILYA I,SU;BUROVSKIJ NIKOLAJ I,SU;POPOV VLADIMIR L,SU;EFIMOV GARRI V,SU
分类号
B28B1/54
主分类号
B28B1/54
代理机构
代理人
主权项
地址
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