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发明名称
Chuck
摘要
申请公布号
US2447682(A)
申请公布日期
1948.08.24
申请号
US19460644386
申请日期
1946.01.30
申请人
BOCKMAN CARL F;RICHARD LUTTICH
发明人
BOCKMAN CARL F.;LUTTICH RICHARD
分类号
B23B31/40
主分类号
B23B31/40
代理机构
代理人
主权项
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