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经营范围
发明名称
Nutating propeller pump
摘要
申请公布号
US3320896(A)
申请公布日期
1967.05.23
申请号
US19650493040
申请日期
1965.10.05
申请人
ROY JR ROBERT
发明人
JR. ROBERT ROY,
分类号
F04D11/00
主分类号
F04D11/00
代理机构
代理人
主权项
地址
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