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经营范围
发明名称
ROTARY PUMP OR MOTOR
摘要
申请公布号
US3433169(A)
申请公布日期
1969.03.18
申请号
USD3433169
申请日期
1967.05.22
申请人
EDWARD A. GRAETZ
发明人
EDWARD A. GRAETZ
分类号
F01C21/08;(IPC1-7):F01C1/04
主分类号
F01C21/08
代理机构
代理人
主权项
地址
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