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经营范围
发明名称
Smoking pipe stem joint
摘要
申请公布号
US2497225(A)
申请公布日期
1950.02.14
申请号
US19440558664
申请日期
1944.10.14
申请人
LERCH OLIVER M
发明人
LERCH OLIVER M.
分类号
A24F7/02
主分类号
A24F7/02
代理机构
代理人
主权项
地址
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