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发明名称
Schraubensicherung
摘要
申请公布号
DE901018(C)
申请公布日期
1954.01.07
申请号
DE1952F009033
申请日期
1952.05.11
申请人
PAUL ROBERT FREI
发明人
FREI PAUL ROBERT
分类号
F16B39/36
主分类号
F16B39/36
代理机构
代理人
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