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发明名称
Composite steel plate
摘要
申请公布号
US2474682(A)
申请公布日期
1949.06.28
申请号
US19470759119
申请日期
1947.07.05
申请人
BENJAMIN LIEBOWITZ
发明人
LIEBOWITZ BENJAMIN
分类号
B23K20/04;B23K20/227;B32B15/01;F41H5/04
主分类号
B23K20/04
代理机构
代理人
主权项
地址
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