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发明名称
APPARATUS FOR ROOFING SHAFT WELL
摘要
申请公布号
RU1801917(C)
申请公布日期
1993.03.15
申请号
SU19904801437
申请日期
1990.02.07
申请人
VNI P K I GORNOGO DELA METALLURGII TSVETNYKH METALLOV "GIPROTSVETMET"
发明人
SUBBOTIN DMITRIJ A,SU;DIKKERT ALEKSEJ G,SU;SHEVCHENKO SERGEJ A,SU;YAKOVENKO VLADIMIR G,SU;OPRYA VALERIJ V,SU;BIGLYAROV MIKHAIL A,SU;BELYAVSKIJ MIKHAIL A,SU
分类号
B66B17/00;E21D7/00
主分类号
B66B17/00
代理机构
代理人
主权项
地址
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