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发明名称
Flash-back arrester for welding installations
摘要
申请公布号
US3243272(A)
申请公布日期
1966.03.29
申请号
US19630273121
申请日期
1963.04.12
申请人
LUDWIG SCHMITZ
发明人
SCHMITZ LUDWIG
分类号
F23D14/82
主分类号
F23D14/82
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代理人
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