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发明名称
UNDERWATER CONNECTING APPARATUS
摘要
申请公布号
US3486556(A)
申请公布日期
1969.12.30
申请号
USD3486556
申请日期
1967.05.01
申请人
C. JIM STEWART & STEVENSON INC.
发明人
HARRY L. BURGESS
分类号
E21B33/038;(IPC1-7):E21B33/03;E21B7/12;E21B43/01
主分类号
E21B33/038
代理机构
代理人
主权项
地址
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