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发明名称
SIGHT GLASS CLEANING
摘要
申请公布号
US3467113(A)
申请公布日期
1969.09.16
申请号
USD3467113
申请日期
1968.03.19
申请人
DETREX CHEM. IND. INC.
发明人
JOHN B. JACOBSEN;WILLIAM R. CARPENTER
分类号
F23M7/00;(IPC1-7):B08B3/04;B08B9/06
主分类号
F23M7/00
代理机构
代理人
主权项
地址
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