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发明名称
Art of making nuts
摘要
申请公布号
US2087053(A)
申请公布日期
1937.07.13
申请号
US19350037228
申请日期
1935.08.21
申请人
CLARE L. BRACKETT
发明人
STOLL ALBERT
分类号
B21K1/68
主分类号
B21K1/68
代理机构
代理人
主权项
地址
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