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发明名称
Apparatus for cutting rack bars
摘要
申请公布号
US1907000(A)
申请公布日期
1933.05.02
申请号
US19310556535
申请日期
1931.08.12
申请人
METALLIC SASH-OPERATOR COMPANY
发明人
PARR PETER
分类号
B23F1/08
主分类号
B23F1/08
代理机构
代理人
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地址
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