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经营范围
发明名称
Improvements in or relating to welding chains
摘要
申请公布号
GB509998(A)
申请公布日期
1939.07.25
申请号
GB19390003400
申请日期
1939.02.01
申请人
S. G. TAYLOR CHAIN COMPANY
发明人
分类号
B21L3/00
主分类号
B21L3/00
代理机构
代理人
主权项
地址
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