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经营范围
发明名称
Rotary motor
摘要
申请公布号
US2699151(A)
申请公布日期
1955.01.11
申请号
US19540426891
申请日期
1954.04.30
申请人
BARRETT ELMER G
发明人
BARRETT ELMER G.
分类号
F01C1/44
主分类号
F01C1/44
代理机构
代理人
主权项
地址
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