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经营范围
发明名称
Combined seat and flush rim
摘要
申请公布号
US2154240(A)
申请公布日期
1939.04.11
申请号
US19370163382
申请日期
1937.09.11
申请人
JOHN B. PIERCE FOUNDATION
发明人
GROENIGER WILLIAM C.
分类号
A47K13/00;E03D11/13
主分类号
A47K13/00
代理机构
代理人
主权项
地址
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