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发明名称
Slag-forming body for use in bolt welding and method of making same
摘要
申请公布号
US2755164(A)
申请公布日期
1956.07.17
申请号
US19520298968
申请日期
1952.07.15
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
WILLIGEN PAUL CHRISTIAAN VAN DER
分类号
B23K35/02;B23K35/36
主分类号
B23K35/02
代理机构
代理人
主权项
地址
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