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发明名称
Waterproof closing means
摘要
申请公布号
US1991943(A)
申请公布日期
1935.02.19
申请号
US19330695462
申请日期
1933.10.27
申请人
KEVICZKY LASZLO V
发明人
KEVICZKY LASZLO V.
分类号
A44B19/32
主分类号
A44B19/32
代理机构
代理人
主权项
地址
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