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经营范围
发明名称
Improvements in or relating to the marking of metallic extrusions of tubular or solid form
摘要
申请公布号
GB429203(A)
申请公布日期
1935.05.27
申请号
GB19340000750
申请日期
1934.01.09
申请人
WILLIAM ECKFORD;WILLIAM CARTER
发明人
分类号
B44B5/00
主分类号
B44B5/00
代理机构
代理人
主权项
地址
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