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经营范围
发明名称
Torch welding
摘要
申请公布号
US2774136(A)
申请公布日期
1956.12.18
申请号
US19530330947
申请日期
1953.01.13
申请人
CALLERY CHEMICAL COMPANY
发明人
SCHECHTER WILLIAM H.
分类号
B23K35/38
主分类号
B23K35/38
代理机构
代理人
主权项
地址
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