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发明名称
Pump piston
摘要
申请公布号
US1833920(A)
申请公布日期
1931.12.01
申请号
US19290396071
申请日期
1929.09.30
申请人
STEIRLY ALBERT R
发明人
STEIRLY ALBERT R.
分类号
F04B53/14
主分类号
F04B53/14
代理机构
代理人
主权项
地址
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