ARRANGEMENT FOR SEALING OF AIR-DAMS,申请号SU19752199906-传众专利搜索

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发明名称	ARRANGEMENT FOR SEALING OF AIR-DAMS
摘要
申请公布号	SU569723(A1)	申请公布日期	1977.08.25
申请号	SU19752199906	申请日期	1975.12.18
申请人	PETROV VLADIMIR ,SU;KNYAZEVA ELENA ,SU;DZASOKHOV VALENTIN A,SU	发明人	PETROV VLADIMIR ,SU;KNYAZEVA ELENA ,SU;DZASOKHOV VALENTIN A,SU
分类号	E21F1/14;(IPC1-7):E21F1/14	主分类号	E21F1/14
代理机构		代理人
主权项
地址

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