PNEUMATISK BORRMASKIN MED SLAG- OCH VRIDVERKAN,申请号SE19750011264-传众专利搜索

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发明名称	PNEUMATISK BORRMASKIN MED SLAG- OCH VRIDVERKAN
摘要
申请公布号	SE7511264(A)	申请公布日期	1977.04.09
申请号	SE19750011264	申请日期	1975.10.08
申请人	INSTITUT GORNOGO DELA SIBIRSKOGO OTDELENIA AKADEMII NAUK;SSSR	发明人	SUDNISHNIKOV B V;KAMENSKY V V;VARNELLO E P;TUPITSIN S K;NAZAROV B V
分类号	(IPC1-7):E21B5/00	主分类号	(IPC1-7):E21B5/00
代理机构		代理人
主权项
地址

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