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发明名称
Valve
摘要
申请公布号
US1796201(A)
申请公布日期
1931.03.10
申请号
US19300442924
申请日期
1930.04.09
申请人
HEINSMAN CALEB B
发明人
HEINSMAN CALEB B.
分类号
A62C35/60
主分类号
A62C35/60
代理机构
代理人
主权项
地址
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