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经营范围
发明名称
Water bubbler
摘要
申请公布号
US2107109(A)
申请公布日期
1938.02.01
申请号
US19370138456
申请日期
1937.04.22
申请人
JOSEPH DESROSIERS ALBERT
发明人
DESROSIERS ALBERT JOSEPH
分类号
E03B9/20;E03C1/086
主分类号
E03B9/20
代理机构
代理人
主权项
地址
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