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发明名称
Preheating flame stabilizer for cutting blowpipes
摘要
申请公布号
US1971008(A)
申请公布日期
1934.08.21
申请号
US19320602332
申请日期
1932.03.31
申请人
OXWELD ACETYLENE COMPANY
发明人
KEHL ROBERT J.
分类号
F23D14/42
主分类号
F23D14/42
代理机构
代理人
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地址
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