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发明名称
DOUBLE-ACTION TUBULAR SPRAG
摘要
申请公布号
PL109918(U1)
申请公布日期
2001.02.12
申请号
PL19990109918U
申请日期
1999.08.03
申请人
PRZEDSIEBIORSTWO SEMET SP. Z OO
发明人
SERWOTKA IRENEUSZ;KLUBA WALDEMAR;SERWOTKA TOMASZ;WRONA KAROL
分类号
E21D11/22;E21D11/28;(IPC1-7):E21D11/28
主分类号
E21D11/22
代理机构
代理人
主权项
地址
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