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发明名称
Bole-supporting device
摘要
申请公布号
US2893668(A)
申请公布日期
1959.07.07
申请号
US19540465599
申请日期
1954.10.29
申请人
APPLEGATE WALTER M
发明人
APPLEGATE WALTER M.
分类号
A47G33/12
主分类号
A47G33/12
代理机构
代理人
主权项
地址
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