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发明名称
ROTARY WING AIRCRAFT
摘要
申请公布号
US3507461(A)
申请公布日期
1970.04.21
申请号
USD3507461
申请日期
1967.06.16
申请人
VLM CORP.:THE
发明人
WILLIAM N. ROSTA
分类号
B64C39/00;(IPC1-7):B64C27/20;B64C27/46;B64C27/54
主分类号
B64C39/00
代理机构
代理人
主权项
地址
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