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发明名称
Bird form
摘要
申请公布号
US1837662(A)
申请公布日期
1931.12.22
申请号
US19290370982
申请日期
1929.06.14
申请人
JACOBS GEORGE H
发明人
JACOBS GEORGE H.
分类号
A63H33/40
主分类号
A63H33/40
代理机构
代理人
主权项
地址
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