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发明名称
SICHERUNGSRING
摘要
申请公布号
DE6907214(U)
申请公布日期
1969.07.03
申请号
DE19690007214U
申请日期
1969.02.24
申请人
FREDERICK WICH AND COMPANY LIMITED
发明人
分类号
A44B15/00;A47G29/10
主分类号
A44B15/00
代理机构
代理人
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