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发明名称
METHOD OF PRODUCING ROLL-FORMED SECTIONS
摘要
申请公布号
SU1569050(A1)
申请公布日期
1990.06.07
申请号
SU19874206339
申请日期
1987.01.23
申请人
O PROIZV-T PREDPRIYATIE "ENERGOTEKHPROM"
发明人
SHTEJNBOK LEV Z,SU;SHTEJNBOK IGOR L,SU;SAGIROV ALEKSANDR V,SU;DAVYDOV LEONID S,SU
分类号
E04C3/08;B21C37/00;B21D5/06;B21D47/00;B21D47/01;B23K20/04
主分类号
E04C3/08
代理机构
代理人
主权项
地址
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