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发明名称
Pneumatic shoe retaining device
摘要
申请公布号
US2489429(A)
申请公布日期
1949.11.29
申请号
US19460719151
申请日期
1946.12.30
申请人
NATHAN GEORGE J
发明人
NATHAN GEORGE J.
分类号
A43B23/28
主分类号
A43B23/28
代理机构
代理人
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