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经营范围
发明名称
Improvements relating to buttons and the like
摘要
申请公布号
GB642016(A)
申请公布日期
1950.08.23
申请号
GB19480009555
申请日期
1948.04.06
申请人
WALTER PICKARD
发明人
分类号
A44B1/36
主分类号
A44B1/36
代理机构
代理人
主权项
地址
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