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发明名称
Apparatus for hot welding and rolling metals and other substances
摘要
申请公布号
US1975434(A)
申请公布日期
1934.10.02
申请号
US19260152658
申请日期
1926.12.04
申请人
CONWAY ROBINSON
发明人
ROBINSON CONWAY
分类号
B23K28/02
主分类号
B23K28/02
代理机构
代理人
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地址
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