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经营范围
发明名称
Bottle valve
摘要
申请公布号
US1997527(A)
申请公布日期
1935.04.09
申请号
US19340736765
申请日期
1934.07.24
申请人
LENG CHRISTIAN F
发明人
LENG CHRISTIAN F.
分类号
B65D49/02
主分类号
B65D49/02
代理机构
代理人
主权项
地址
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