LUBRICATING AND COOLING DEVICE FOR STERN TUBE,申请号SU19874284675-传众专利搜索

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发明名称	LUBRICATING AND COOLING DEVICE FOR STERN TUBE
摘要
申请公布号	SU1493537(A1)	申请公布日期	1989.07.15
申请号	SU19874284675	申请日期	1987.07.14
申请人	SITKOVETSKIJ LEV N,SU;RETMAN VIKTOR A,SU	发明人	SITKOVETSKIJ LEV N,SU;RETMAN VIKTOR A,SU
分类号	B63H23/36	主分类号	B63H23/36
代理机构		代理人
主权项
地址

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