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发明名称
Expansible wall receptacle
摘要
申请公布号
US2584431(A)
申请公布日期
1952.02.05
申请号
US19460678725
申请日期
1946.06.24
申请人
WALKER MANUFACTURING COMPANY OF WISCONSIN
发明人
DEARSLEY IRWIN E.
分类号
B66F3/42
主分类号
B66F3/42
代理机构
代理人
主权项
地址
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