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经营范围
发明名称
Detachable heel
摘要
申请公布号
US2149893(A)
申请公布日期
1939.03.07
申请号
US19370169215
申请日期
1937.10.15
申请人
CHARLES J. LEHWALD
发明人
LEHWALD PAUL G.
分类号
A43B21/37;A43B21/48
主分类号
A43B21/37
代理机构
代理人
主权项
地址
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