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发明名称
Automatic closure holding device
摘要
申请公布号
US2145001(A)
申请公布日期
1939.01.24
申请号
US19380213046
申请日期
1938.06.10
申请人
WILLIAMS AUSTIN J
发明人
WILLIAMS AUSTIN J.
分类号
E05C17/28
主分类号
E05C17/28
代理机构
代理人
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地址
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