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发明名称
Driving mechanism for aeroplanes
摘要
申请公布号
US1798628(A)
申请公布日期
1931.03.31
申请号
US19290404495
申请日期
1929.11.02
申请人
L'HELICE METALLIQUE, BREVETS PAULHAN-PILLARD, SOCIETE ANONYME
发明人
PILLARD MARCEL
分类号
B64D35/00
主分类号
B64D35/00
代理机构
代理人
主权项
地址
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