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经营范围
发明名称
Welding
摘要
申请公布号
US1972463(A)
申请公布日期
1934.09.04
申请号
US19310558636
申请日期
1931.08.21
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
SCHLECHT LEO;DUFTSCHMID FRANZ
分类号
B23K35/40
主分类号
B23K35/40
代理机构
代理人
主权项
地址
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