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发明名称
Combination bushing for beer barrels
摘要
申请公布号
US2056524(A)
申请公布日期
1936.10.06
申请号
US19340740076
申请日期
1934.08.16
申请人
JOHNSON PAUL A
发明人
JOHNSON PAUL A.
分类号
B65D39/02;B67D3/04
主分类号
B65D39/02
代理机构
代理人
主权项
地址
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