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发明名称
Depth control system
摘要
申请公布号
US3045627(A)
申请公布日期
1962.07.24
申请号
US19560587180
申请日期
1956.05.24
申请人
ECK ROBERT C
发明人
ECK ROBERT C.
分类号
F42B19/04
主分类号
F42B19/04
代理机构
代理人
主权项
地址
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