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经营范围
发明名称
Fountain sponge
摘要
申请公布号
US2250909(A)
申请公布日期
1941.07.29
申请号
US19400362274
申请日期
1940.10.22
申请人
HABECK WILLIAM E
发明人
HABECK WILLIAM E.
分类号
A47K7/02;A47L1/08
主分类号
A47K7/02
代理机构
代理人
主权项
地址
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