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发明名称
OCARINA
摘要
申请公布号
CA446006(A)
申请公布日期
1948.01.06
申请号
CAD446006
申请日期
申请人
THE FRED GRETCH MFG. CO.
发明人
WILLIAM WALTER GRETSCH
分类号
主分类号
代理机构
代理人
主权项
地址
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