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发明名称
APPARATUS FOR PROTECTING FLEXIBLE VENTILATION PIPE-LINES FROM MECHANICAL DAMAGE AT STARTING OF BLOWER
摘要
申请公布号
SU1434126(A1)
申请公布日期
1988.10.30
申请号
SU19864031551
申请日期
1986.02.26
申请人
VNI GORNOMETALLURGICHESKIJ I TSVETNYKH METALLOV
发明人
SOZONOV ANATOLIJ F,SU;KOLTSOVA OLGA I,SU;DOROKHIN ANATOLIJ P,SU
分类号
E21F1/08
主分类号
E21F1/08
代理机构
代理人
主权项
地址
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