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经营范围
发明名称
Locking means for nuts, screws, and washers
摘要
申请公布号
US1959009(A)
申请公布日期
1934.05.15
申请号
US19310529192
申请日期
1931.04.10
申请人
ALBERT STOLL
发明人
STOLL ALBERT
分类号
F16B39/32
主分类号
F16B39/32
代理机构
代理人
主权项
地址
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