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发明名称
Automatic sewer regulator
摘要
申请公布号
US2150359(A)
申请公布日期
1939.03.14
申请号
US19380210641
申请日期
1938.05.28
申请人
BROWN CHALMERS S
发明人
BROWN CHALMERS S.
分类号
B01D21/34;E03F5/10
主分类号
B01D21/34
代理机构
代理人
主权项
地址
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