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发明名称
UNDERWATER INSTALLATIONS
摘要
申请公布号
ZA7000137(B)
申请公布日期
1971.04.28
申请号
ZA19700000137
申请日期
1970.01.09
申请人
WATER AND SEDIMENT CONTROL CO LTD
发明人
POTTER A
分类号
E02B;E02D
主分类号
E02B
代理机构
代理人
主权项
地址
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