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经营范围
发明名称
Rope glider
摘要
申请公布号
US2493855(A)
申请公布日期
1950.01.10
申请号
US19470756075
申请日期
1947.06.20
申请人
BUCKS DAVID H
发明人
BUCKS DAVID H.
分类号
B63H9/08;E04H12/32
主分类号
B63H9/08
代理机构
代理人
主权项
地址
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