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发明名称
Closure
摘要
申请公布号
US2039447(A)
申请公布日期
1936.05.05
申请号
US19340755753
申请日期
1934.12.03
申请人
PIXLEY MILTON A
发明人
PIXLEY MILTON A.
分类号
E06B9/17
主分类号
E06B9/17
代理机构
代理人
主权项
地址
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