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经营范围
发明名称
Liquid-fuel-burning torch
摘要
申请公布号
US1796768(A)
申请公布日期
1931.03.17
申请号
US19300459714
申请日期
1930.06.07
申请人
LIQUID FUEL CUTTING & WELDING TORCH CORP.
发明人
SPINNEY RANDOLPH B.
分类号
F23D99/00
主分类号
F23D99/00
代理机构
代理人
主权项
地址
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