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经营范围
发明名称
Closure operating mechanism
摘要
申请公布号
US2400568(A)
申请公布日期
1946.05.21
申请号
US19450590858
申请日期
1945.04.28
申请人
NORRIS VICTOR H
发明人
NORRIS VICTOR H.
分类号
F16K1/24
主分类号
F16K1/24
代理机构
代理人
主权项
地址
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