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发明名称
Brönnhodehus til undervannsbruk
摘要
申请公布号
NO305917(B1)
申请公布日期
1999.08.16
申请号
NO19940001316
申请日期
1994.04.13
申请人
FMC CORP
发明人
VETTER, VINCENT H.;SINGEETHAM, SHIVA P.;VALKA, WILLIAM A.;WILLIAMS, MICHAEL R.
分类号
E21B33/035;(IPC1-7):E21B33/035
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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