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经营范围
发明名称
PIPE WRENCH HYDRAULIC BRAKE
摘要
申请公布号
SU627769(A3)
申请公布日期
1978.10.05
申请号
SU19731961032
申请日期
1973.09.13
申请人
BAJRON DZHEKSON INK (FIRMA)
发明人
KARL ALFRED VILS,US;BELA CHEZI,US
分类号
E21B19/10;E21B19/16;(IPC1-7):E21B19/00
主分类号
E21B19/10
代理机构
代理人
主权项
地址
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