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发明名称
Holder and form duplicator for flame cutting hand torches
摘要
申请公布号
US2622328(A)
申请公布日期
1952.12.23
申请号
US19490079962
申请日期
1949.03.07
申请人
KROHN EMIL F
发明人
KROHN EMIL F.
分类号
B23K7/00
主分类号
B23K7/00
代理机构
代理人
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