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发明名称
Float tank bulb
摘要
申请公布号
US1946266(A)
申请公布日期
1934.02.06
申请号
US19310564522
申请日期
1931.09.23
申请人
NATHAN BECKER
发明人
BECKER NATHAN
分类号
E03D1/34
主分类号
E03D1/34
代理机构
代理人
主权项
地址
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