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发明名称
SUBMARINE RESOURCE PROSPECTING*EXTRACTING SYSTEM
摘要
申请公布号
JPS559976(A)
申请公布日期
1980.01.24
申请号
JP19780083685
申请日期
1978.07.10
申请人
SUMITOMO HEAVY INDUSTRIES
发明人
IKEDA KENZOU
分类号
E21C45/00;E21C50/02
主分类号
E21C45/00
代理机构
代理人
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