Mine stopping having a swinging door,申请号GB19990026549-传众专利搜索

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发明名称	Mine stopping having a swinging door
摘要
申请公布号	GB9926549(D0)	申请公布日期	2000.01.12
申请号	GB19990026549	申请日期	1999.11.09
申请人	JACK KENNEDY METAL PRODUCTS AND BUILDINGS INC	发明人
分类号	E21F1/10;E21F1/14	主分类号	E21F1/10
代理机构		代理人
主权项
地址

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