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发明名称
SEALING AND COUPLING STRUCTURES
摘要
申请公布号
CA654931(A)
申请公布日期
1963.01.01
申请号
CAD654931
申请日期
申请人
WILLIAM C. N. HOPKINS
发明人
WILLIAM C. N. HOPKINS
分类号
主分类号
代理机构
代理人
主权项
地址
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