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经营范围
发明名称
Erection seat
摘要
申请公布号
US2231297(A)
申请公布日期
1941.02.11
申请号
US19400316235
申请日期
1940.01.29
申请人
SAXE VAN RENSSELAER P
发明人
SAXE VAN RENSSELAER P.
分类号
E04B1/58
主分类号
E04B1/58
代理机构
代理人
主权项
地址
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