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经营范围
发明名称
Automatic reproducing process and machine
摘要
申请公布号
US2172313(A)
申请公布日期
1939.09.05
申请号
US19350026773
申请日期
1935.06.15
申请人
UNION CARBIDE AND CARBON CORPORATION
发明人
YOUNG LLOYD W.
分类号
B23K7/00;B23Q35/128
主分类号
B23K7/00
代理机构
代理人
主权项
地址
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