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经营范围
发明名称
Closing structure
摘要
申请公布号
US2182051(A)
申请公布日期
1939.12.05
申请号
US19340719202
申请日期
1934.04.05
申请人
WALTER KURTH
发明人
KURTH WALTER
分类号
F16J15/12
主分类号
F16J15/12
代理机构
代理人
主权项
地址
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