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经营范围
发明名称
Organ valve
摘要
申请公布号
US2577580(A)
申请公布日期
1951.12.04
申请号
US19490110127
申请日期
1949.08.13
申请人
HALLMAN JACOB C
发明人
HALLMAN JACOB C.
分类号
G10B3/06
主分类号
G10B3/06
代理机构
代理人
主权项
地址
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