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发明名称
Arch restorer
摘要
申请公布号
US1852660(A)
申请公布日期
1932.04.05
申请号
US19300482889
申请日期
1930.09.18
申请人
LAISURE WILLIAM V
发明人
LAISURE WILLIAM V.
分类号
A43B7/22
主分类号
A43B7/22
代理机构
代理人
主权项
地址
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