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经营范围
发明名称
Noiseless bathtub
摘要
申请公布号
US2799025(A)
申请公布日期
1957.07.16
申请号
US19550495870
申请日期
1955.03.22
申请人
LEROY KEPLER CLARENCE
发明人
KEPLER CLARENCE LEROY
分类号
A47K3/02
主分类号
A47K3/02
代理机构
代理人
主权项
地址
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