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发明名称
SEAT VALVES
摘要
申请公布号
CA546502(A)
申请公布日期
1957.09.24
申请号
CAD546502
申请日期
申请人
OTTO A. V. RUHNSKOLD
发明人
OTTO A. V. RUHNSKOLD
分类号
主分类号
代理机构
代理人
主权项
地址
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