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经营范围
发明名称
UNIT FOR PASSING SANITARY PIPES THROUGH FLOOR
摘要
申请公布号
SU1193243(A1)
申请公布日期
1985.11.23
申请号
SU19843724017
申请日期
1984.04.10
申请人
MO I INZHENEROV ZHELEZNODOROZ
发明人
KOVRIGIN SERGEJ D,SU;KRYSHOV SERGEJ I,SU;SAVELEV EVGENIJ P,SU;ROMANOV VLADIMIR G,SU
分类号
E04B1/82;(IPC1-7):E04B1/82
主分类号
E04B1/82
代理机构
代理人
主权项
地址
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