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经营范围
发明名称
MULTIHELICAL OMNIARCH
摘要
申请公布号
US3593421(A)
申请公布日期
1971.07.20
申请号
USD3593421
申请日期
1967.11.15
申请人
ALLEN C. BRADER
发明人
ALLEN C. BRADER
分类号
A61C7/20;(IPC1-7):A61C7/00
主分类号
A61C7/20
代理机构
代理人
主权项
地址
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