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经营范围
发明名称
Coated welding rod
摘要
申请公布号
US2357250(A)
申请公布日期
1944.08.29
申请号
US19430480339
申请日期
1943.03.24
申请人
WEST VIRGINIA PULP AND PAPER COMPANY
发明人
BAKER WALTER L.
分类号
B23K35/02;B23K35/04;B23K35/36
主分类号
B23K35/02
代理机构
代理人
主权项
地址
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