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发明名称
Belt
摘要
申请公布号
US2202644(A)
申请公布日期
1940.05.28
申请号
US19380228239
申请日期
1938.09.02
申请人
BLOSSOM FREDERICK M
发明人
BLOSSOM FREDERICK M.
分类号
A44B11/04
主分类号
A44B11/04
代理机构
代理人
主权项
地址
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