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发明名称
Rain-water filter
摘要
申请公布号
US1777609(A)
申请公布日期
1930.10.07
申请号
US19280304306
申请日期
1928.09.06
申请人
FRENCH LEROY W
发明人
FRENCH LEROY W.
分类号
B01D35/02;B01D37/00
主分类号
B01D35/02
代理机构
代理人
主权项
地址
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