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发明名称
Apparatus for reproducing shapes
摘要
申请公布号
US2421827(A)
申请公布日期
1947.06.10
申请号
US19430499371
申请日期
1943.08.20
申请人
BOYD CARL N
发明人
BOYD CARL N.
分类号
B23K7/00
主分类号
B23K7/00
代理机构
代理人
主权项
地址
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