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发明名称
VENTED NIPPLE CONSTRUCTION
摘要
申请公布号
CA548023(A)
申请公布日期
1957.10.29
申请号
CAD548023
申请日期
申请人
DAVOL RUBBER COMPANY
发明人
EMILE V. PERREAULT
分类号
主分类号
代理机构
代理人
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