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发明名称
Unidirectional flow valve
摘要
申请公布号
US2498985(A)
申请公布日期
1950.02.28
申请号
US19480016754
申请日期
1948.03.24
申请人
DOTTS JR WALTER M;MORRISON JAMES R
发明人
JR. WALTER M. DOTTS,;MORRISON JAMES R.
分类号
B65D49/06
主分类号
B65D49/06
代理机构
代理人
主权项
地址
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