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发明名称
Valve mechanism
摘要
申请公布号
US1900268(A)
申请公布日期
1933.03.07
申请号
US19280285025
申请日期
1928.06.13
申请人
SCOTT-ROSS AND COMPANY
发明人
YUNGLING PAUL F.
分类号
F04B53/10
主分类号
F04B53/10
代理机构
代理人
主权项
地址
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