APARATO MEJORADO PARA LA EXPLOTACION DE MINAS SUBTERRANEAS,申请号MX19780174578-传众专利搜索

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发明名称	APARATO MEJORADO PARA LA EXPLOTACION DE MINAS SUBTERRANEAS
摘要
申请公布号	MX149474(A)	申请公布日期	1983.11.10
申请号	MX19780174578	申请日期	1978.08.18
申请人	FMC CORPORATION	发明人	PHILIP RUSSELL BUNNELLE
分类号	E21B21/10;E21B21/12;E21B43/29;E21C41/22;(IPC1-7):B21C1/00	主分类号	E21B21/10
代理机构		代理人
主权项
地址

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