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经营范围
发明名称
Hydroflap
摘要
申请公布号
US2676771(A)
申请公布日期
1954.04.27
申请号
US19510218508
申请日期
1951.03.30
申请人
MAYO WILBUR L
发明人
MAYO WILBUR L.
分类号
B64C35/00
主分类号
B64C35/00
代理机构
代理人
主权项
地址
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