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经营范围
发明名称
Improvements in or relating to metal bobbins or spools
摘要
申请公布号
GB416155(A)
申请公布日期
1934.09.13
申请号
GB19330017405
申请日期
1933.06.19
申请人
WALTER PATRICK GRAFTON
发明人
分类号
B65H75/14
主分类号
B65H75/14
代理机构
代理人
主权项
地址
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