,申请号FI19740002869-传众专利搜索

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发明名称
摘要
申请公布号	FI286974(A)	申请公布日期	1976.04.02
申请号	FI19740002869	申请日期	1974.10.01
申请人	OY TAMPELLA AB	发明人	NYLUND R;HOLMALA A
分类号	E21B19/08;(IPC1-7):E21B19/08	主分类号	E21B19/08
代理机构		代理人
主权项
地址

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