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发明名称
Fluid-pressure-operated telescopic prop assembly
摘要
申请公布号
GB1114927(A)
申请公布日期
1968.05.22
申请号
GB19640037081
申请日期
1964.09.10
申请人
DOWTY MINING EQUIPMENT LIMITED
发明人
LAMPL FREIDRICH;LAW KENNETH;LUDLOW GERALD WILLIAM
分类号
E21D15/44
主分类号
E21D15/44
代理机构
代理人
主权项
地址
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