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发明名称
Rotary multiple helical rotor machine
摘要
申请公布号
US2481527(A)
申请公布日期
1949.09.13
申请号
US19440556458
申请日期
1944.09.29
申请人
JARVIS C. MARBLE;LESLIE M. MERRILL;PERCY H. BATTEN
发明人
NILSSON HANS ROBERT
分类号
F04C18/16
主分类号
F04C18/16
代理机构
代理人
主权项
地址
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