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发明名称
Propeller and flywheel
摘要
申请公布号
US1919961(A)
申请公布日期
1933.07.25
申请号
US19310528770
申请日期
1931.04.09
申请人
LAURENCE A. STEINHARDT
发明人
NOVAK JULIUS J.
分类号
B64C11/00
主分类号
B64C11/00
代理机构
代理人
主权项
地址
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