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发明名称
Pump construction
摘要
申请公布号
US1877711(A)
申请公布日期
1932.09.13
申请号
US19310517280
申请日期
1931.02.20
申请人
HENRY WOLF
发明人
WOLF HENRY
分类号
A43B23/26
主分类号
A43B23/26
代理机构
代理人
主权项
地址
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