TUBULAR ROOF BOLT,申请号SU19884402924-传众专利搜索

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发明名称	TUBULAR ROOF BOLT
摘要
申请公布号	SU1559191(A1)	申请公布日期	1990.04.23
申请号	SU19884402924	申请日期	1988.04.04
申请人	SHTELE VLADIMIR,SU	发明人	SHTELE VLADIMIR I,SU
分类号	E21D21/00	主分类号	E21D21/00
代理机构		代理人
主权项
地址

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