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经营范围
发明名称
METHOD OF CLEANING MASONRY
摘要
申请公布号
US3505112(A)
申请公布日期
1970.04.07
申请号
USD3505112
申请日期
1967.09.05
申请人
RODDY E. KETTLER
发明人
RODDY E. KETTLER
分类号
C04B41/53;(IPC1-7):C03C23/00
主分类号
C04B41/53
代理机构
代理人
主权项
地址
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