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发明名称
UNDERWATER GRADING MEANS
摘要
申请公布号
CA662501(A)
申请公布日期
1963.05.07
申请号
CAD662501
申请日期
申请人
ANDREW G. MATELICH
发明人
ANDREW G. MATELICH
分类号
主分类号
代理机构
代理人
主权项
地址
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