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发明名称
Smoke pipe
摘要
申请公布号
US1813684(A)
申请公布日期
1931.07.07
申请号
US19290376621
申请日期
1929.07.08
申请人
SPRICH EMIL M
发明人
SPRICH EMIL M.
分类号
A24F1/06;A24F1/22
主分类号
A24F1/06
代理机构
代理人
主权项
地址
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