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经营范围
发明名称
Standpipe system
摘要
申请公布号
US1928006(A)
申请公布日期
1933.09.26
申请号
US19310533398
申请日期
1931.04.28
申请人
CONRAN WILLIAM F
发明人
CONRAN WILLIAM F.
分类号
A62C31/00
主分类号
A62C31/00
代理机构
代理人
主权项
地址
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