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发明名称
Rotary gas compressor
摘要
申请公布号
US2617582(A)
申请公布日期
1952.11.11
申请号
US19470746417
申请日期
1947.05.06
申请人
LOIS VIOLA BROWN BEALL
发明人
BEALL LOIS VIOLA BROWN
分类号
F04D17/18
主分类号
F04D17/18
代理机构
代理人
主权项
地址
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