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发明名称
Fastening device for cover plates
摘要
申请公布号
US2450330(A)
申请公布日期
1948.09.28
申请号
US19450579533
申请日期
1945.02.24
申请人
THE LIQUIDOMETER CORPORATION
发明人
GIERS CLARENCE A. DE
分类号
E06B3/54
主分类号
E06B3/54
代理机构
代理人
主权项
地址
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