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发明名称
Lock for fire plug caps
摘要
申请公布号
US1837881(A)
申请公布日期
1931.12.22
申请号
US19310509380
申请日期
1931.01.17
申请人
WILLIAM MODRA
发明人
MODRA WILLIAM
分类号
G05G5/06
主分类号
G05G5/06
代理机构
代理人
主权项
地址
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