METHOD OF SETTING SCREW-TYPE ROOF BOLT,申请号SU19884467090-传众专利搜索

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发明名称	METHOD OF SETTING SCREW-TYPE ROOF BOLT
摘要
申请公布号	SU1592505(A1)	申请公布日期	1990.09.15
申请号	SU19884467090	申请日期	1988.07.27
申请人	INST GORNOGO DELA SO AN SSSR	发明人	SHTELE VLADIMIR I,SU;KUSINSH YANIS YA,SU
分类号	E21D20/00	主分类号	E21D20/00
代理机构		代理人
主权项
地址

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