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发明名称
Hoop
摘要
申请公布号
US1955330(A)
申请公布日期
1934.04.17
申请号
US19330676614
申请日期
1933.06.20
申请人
NOBLE & COOLEY CO.
发明人
HIERS RALPH G.;HIERS RALPH H.
分类号
A63H17/267;A63H33/02
主分类号
A63H17/267
代理机构
代理人
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地址
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