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发明名称
DERRICK HOIST
摘要
申请公布号
JPS584090(A)
申请公布日期
1983.01.11
申请号
JP19820016931
申请日期
1982.02.04
申请人
BJ HUGHES INC
发明人
FUAUSUCHIN SHII RANGOOSUKII;JIYOO AARU BERII;EDOWAADO EMU GEIRU;MIGU EI HAWAADO
分类号
E02F7/00;B66C1/00;E21B15/00;E21B19/02;E21B19/06
主分类号
E02F7/00
代理机构
代理人
主权项
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