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经营范围
发明名称
ARRANGEMENT FOR SEALING A DOOR OPENING
摘要
申请公布号
SU1178893(A1)
申请公布日期
1985.09.15
申请号
SU19833626536
申请日期
1983.05.12
申请人
VNII GORNOSPASATELNOGO DELA MINISTERSTVA UGOLNOJ PROMY SSSR
发明人
ZVENYACHKIN VIKTOR M,SU;VISHNEVSKIJ LEONID D,SU;SHIBANOV VIKTOR S,SU
分类号
E06B7/16;(IPC1-7):E06B7/16
主分类号
E06B7/16
代理机构
代理人
主权项
地址
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