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经营范围
发明名称
Marble shooter
摘要
申请公布号
US2499883(A)
申请公布日期
1950.03.07
申请号
US19480027542
申请日期
1948.05.17
申请人
SHIELDS WILLIE A
发明人
SHIELDS WILLIE A.
分类号
A63F7/24
主分类号
A63F7/24
代理机构
代理人
主权项
地址
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