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发明名称
PRODUCTS FOR CLEANING STONE,BRICKS,CONCRETE AND OTHER CONSTRUCTIONAL MATERIALS
摘要
申请公布号
US3481879(A)
申请公布日期
1969.12.02
申请号
USD3481879
申请日期
1966.04.18
申请人
SEFA:SOC.
发明人
GEORGES SALOMONE
分类号
C04B41/53;C11D7/60;(IPC1-7):C11D1/82;C11D7/02
主分类号
C04B41/53
代理机构
代理人
主权项
地址
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