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发明名称
ARROWHEAD WITH PIVOTED BLADES
摘要
申请公布号
US3578328(A)
申请公布日期
1971.05.11
申请号
USD3578328
申请日期
1968.08.09
申请人
DONALD H. RICKEY
发明人
DONALD H. RICKEY
分类号
F42B6/08;(IPC1-7):F41B5/02
主分类号
F42B6/08
代理机构
代理人
主权项
地址
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