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发明名称
Automatic depth correcting device for moored mine
摘要
申请公布号
US2856849(A)
申请公布日期
1958.10.21
申请号
US19570665617
申请日期
1957.06.13
申请人
ERNEST DALE S
发明人
ERNEST DALE S.
分类号
F42B22/12
主分类号
F42B22/12
代理机构
代理人
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地址
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