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发明名称
Journal jack
摘要
申请公布号
US1781136(A)
申请公布日期
1930.11.11
申请号
US19250015927
申请日期
1925.03.16
申请人
SMITH HENRY J
发明人
SMITH HENRY J.
分类号
B61K5/00
主分类号
B61K5/00
代理机构
代理人
主权项
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