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发明名称
Machine for the production of arcwelding electrodes
摘要
申请公布号
US2213481(A)
申请公布日期
1940.09.03
申请号
US19380200042
申请日期
1938.04.04
申请人
JEAN ALDER;ALOIS GRILZ
发明人
ALDER JEAN;GRILZ ALOIS
分类号
B29C47/20
主分类号
B29C47/20
代理机构
代理人
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地址
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