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发明名称
Beer coil cleaner
摘要
申请公布号
US2124875(A)
申请公布日期
1938.07.26
申请号
US19360102195
申请日期
1936.09.23
申请人
DOUGLASS WILLIAM A
发明人
DOUGLASS WILLIAM A.
分类号
B08B9/04
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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