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经营范围
发明名称
Gas blow torch
摘要
申请公布号
US1956435(A)
申请公布日期
1934.04.24
申请号
US19320623621
申请日期
1932.07.20
申请人
DANIEL JOHN M
发明人
DANIEL JOHN M.
分类号
F23D14/34
主分类号
F23D14/34
代理机构
代理人
主权项
地址
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