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经营范围
发明名称
Metatarsal cushion
摘要
申请公布号
US2159054(A)
申请公布日期
1939.05.23
申请号
US19360111811
申请日期
1936.11.20
申请人
SILVER BENJAMIN J
发明人
SILVER BENJAMIN J.
分类号
A43B7/14
主分类号
A43B7/14
代理机构
代理人
主权项
地址
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